]. A. Achir, C. Andaloussi, and C. Sueur, FLATNESS BASED CONTROL OF LINEAR TIME VARYING BOND GRAPHS, Duality in Control Synthesis Bibliography Proceedings of IFAC World Congress, 2005.
DOI : 10.3182/20050703-6-CZ-1902.00615

A. Achir and C. Sueur, Non commutative ring bond graphs application to flatness, ICBGM, vol.37, pp.59-64, 2005.

C. Andaloussi, Z. Chalh, and C. Sueur, Infinite zero of linear timevarying bond graph models: graphical rules, Proceedings of the 2006 IEEE ICCA, pp.2962-2967, 2006.

G. Basile and G. Marro, Controlled invariants and conditioned invariants in linear system theory, 1992.

J. M. Bertrand, C. Sueur, and G. Dauphin-tanguy, Bond graph for modeling and control: structural analysis tools for the design of input-output decoupling state feedbacks, Proceedings of International Conference on Bond Graph Modeling and Simulation, pp.103-108, 1997.

S. H. Birkett and P. H. Roe, The mathematical foundations of bond graphs???II. duality, Journal of the Franklin Institute, vol.326, issue.5, pp.691-708, 1989.
DOI : 10.1016/0016-0032(89)90027-6

H. Bourles and B. Marinescu, Poles and zeros at infinity of linear time-varying systems, IEEE Transactions on Automatic Control, vol.44, issue.10, pp.1981-1985, 1999.
DOI : 10.1109/9.793790

P. Brunovsky, A classification for linear controllable systems, Kybernetika, vol.6, pp.173-187, 1970.

Z. Chalh, C. Andaloussi, and C. Sueur, Structural properties of bond graph rings, ICBGM, vol.38, pp.20-26, 2007.

P. M. Cohn, Free Rings and their Relations, 1985.

C. Commault and J. M. Dion, A comprehensive introduction to the geometric theory of linear multivariable systems, IEEE Transactions on Education, vol.35, issue.1, pp.92-97, 1992.
DOI : 10.1109/13.123424

G. Dauphin-tanguy, Les Bond Graphs, Hermes Science, 2000.

E. J. Davison and S. H. Wang, Properties of linear time-invariant multivariable systems subject to arbitrary output and state feedback, IEEE Transactions on Automatic Control, vol.18, issue.1, pp.24-32, 1973.
DOI : 10.1109/TAC.1973.1100219

E. Delaleau and M. Fliess, Algorithme de structure, filtrations et découplage, C. R. Acad. Sci. Paris Sér. I, vol.315, pp.101-106, 1992.

J. Descusse and J. M. Dion, On the structure at infinity of linear square decoupled systems, IEEE Transactions on Automatic Control, vol.27, issue.4, pp.971-974, 1982.
DOI : 10.1109/TAC.1982.1103041

J. M. Dion and C. Commault, Smith-McMillan factorizations at infinity of rational matrix functions and their control interpretation, Systems & Control Letters, vol.1, issue.5, pp.312-320, 1982.
DOI : 10.1016/S0167-6911(82)80029-7

J. M. Dion and C. Commault, Feedback decoupling of structured systems, IEEE Transactions on Automatic Control, vol.38, issue.7, pp.1132-1135, 1993.
DOI : 10.1109/9.231471

J. M. Dion, C. Commault, and J. W. Van-der-woude, Generic properties and control of linear structured systems: a survey, Automatica, vol.39, issue.7, pp.1125-1144, 2003.
DOI : 10.1016/S0005-1098(03)00104-3

P. L. Falb and W. A. Wolovich, On the decoupling of multivariable systems, Preprints JACC, pp.791-796, 1967.

M. Fliess, Some basic structural properties of generalized linear systems, Systems & Control Letters, vol.15, issue.5, pp.391-396, 1990.
DOI : 10.1016/0167-6911(90)90062-Y

E. Freund, The structure of decoupled nonlinear systems Bibliography 143, Int. Journal Control, vol.21, pp.443-450, 1975.

P. A. Fuhrmann, Duality in polynomial models with some applications to geometric control theory, IEEE Transactions on Automatic Control, vol.26, issue.1, pp.284-295, 1981.
DOI : 10.1109/TAC.1981.1102570

G. Gawthrop, Control system configuration: inversion and bicausal bond graphs, Proceedings of International Conference on Bond Graph Modeling and Simulation, pp.97-102, 1997.

E. G. Gilbert, The Decoupling of Multivariable Systems by State Feedback, SIAM Journal on Control, vol.7, issue.1, pp.50-63, 1969.
DOI : 10.1137/0307004

K. Glover and L. M. Silverman, Characterization of structural controllability, IEEE Transactions on Automatic Control, vol.21, issue.4, pp.931-939, 1976.
DOI : 10.1109/TAC.1976.1101257

M. L. Hautus, The Formal Laplace Transform for Smooth Linear Systems, Lecture notes in Economics and Mathemathical systems, vol.131, 1975.
DOI : 10.1007/978-3-642-48895-5_3

A. Ilchmann, Time-Varying Linear Control Systems: A Geometric Approach, IMA Journal of Mathematical Control and Information, vol.6, issue.4, pp.411-440, 1989.
DOI : 10.1093/imamci/6.4.411

A. Isidori, A. J. Krener, C. Gori-giorgi, and S. Monaco, Nonlinear decoupling via feedback: A differential geometric approach, IEEE Transactions on Automatic Control, vol.26, issue.2, pp.331-345, 1981.
DOI : 10.1109/TAC.1981.1102604

T. Kailath, Linear Systems, N.J, 1980.

D. Karnopp, D. Margolis, and R. Rosenberg, System Dynamics: A Unified Approach, IEEE Transactions on Systems, Man, and Cybernetics, vol.6, issue.10, 1975.
DOI : 10.1109/TSMC.1976.4309434

A. Kasinski and J. Levine, A fast graph theoretic algorithm for the feedback decoupling problem of nonlinear systems. in Mathematical theory of networks and systems, Lecture notes in control and information sciences, pp.550-562, 1984.

E. R. Kolchin, Differential algebra and algebraic groups Academic press, 1973.

T. Y. Lam, A first course in Noncommutative Rings, 2001.

S. Lichiardopol and C. Sueur, Decoupling Of Linear Time-Varying Systems With A Bond Graph Approach, ECMS 2006 Proceedings edited by: W. Borutzky, A. Orsoni, R. Zobel, 2006.
DOI : 10.7148/2006-0128

S. Lichiardopol and C. Sueur, Decoupling of non linear bond graph models. Joint CCA, ISIC and CACSD, 2006.

S. Lichiardopol and C. Sueur, Duality of linear systems: a bond graph perspective, Mathmod, 2006.

S. Lichiardopol and C. Sueur, Decoupling and input-output linearization of nonlinear bond graph models by output injection, EEC, 2007.

S. Lichiardopol and C. Sueur, Input-output linearization and decoupling of nonlinear bond graph models. ICBGM, 2007.

S. Lichiardopol and C. Sueur, LINEAR TIME-VARYING STRUCTURED SYSTEMS: PART I. GRAPHICAL REPRESENTATION AND ANALYSIS, IFAC Proceedings Volumes, vol.40, issue.20, 2007.
DOI : 10.3182/20071017-3-BR-2923.00089

S. Lichiardopol and C. Sueur, LINEAR TIME-VARYING STRUCTURED SYSTEMS: PART II. CONTROL SYNTHESIS, IFAC Proceedings Volumes, vol.40, issue.20, 2007.
DOI : 10.3182/20071017-3-BR-2923.00090

S. Lichiardopol and C. Sueur, Pole placement and decoupling of lti systems by output injection. a bond graph approach. IMAACA, 2007.

C. T. Lin, Structural controllability, IEEE Transactions on Automatic Control, vol.19, pp.201-208, 1974.

S. A. Morse, Structural Invariants of Linear Multivariable Systems, SIAM Journal on Control, vol.11, issue.3, pp.446-465, 1973.
DOI : 10.1137/0311037

H. M. Paynter, Analysis design of engineering systems, 1960.

W. Porter, Decoupling of and inverses for time-varying linear systems, IEEE Transactions on Automatic Control, vol.14, issue.4, pp.378-380, 1969.
DOI : 10.1109/TAC.1969.1099188

K. J. Reinschke, Graph-theoretic characterisation of structural properties by means of paths and cycle families, Proceedings of IFAC World Congress, 1984.

K. J. Reinschke, Multivariable control, a graph-theoretic approach, 1988.
DOI : 10.1007/BFb0051585

J. F. Ritt, Differential Algebra, 1950.
DOI : 10.1090/coll/033

J. Rudolph, Duality in time-varying linear systems: A module theoretic approach, Linear Algebra and its Applications, vol.245, pp.83-106, 1996.
DOI : 10.1016/0024-3795(94)00222-3

R. W. Shields and J. B. Pearson, Structural controllability of multi-input linear systems, IEEE Transactions on Automatic Control, vol.21, 1976.

L. M. Silverman and H. E. Meadows, Controllability and Observability in Time-Variable Linear Systems, SIAM Journal on Control, vol.5, issue.1, pp.64-73, 1967.
DOI : 10.1137/0305005

S. N. Singh and W. J. Rugh, Decoupling in a Class of Nonlinear Systems by State Variable Feedback, Journal of Dynamic Systems, Measurement, and Control, vol.94, issue.4, pp.323-329, 1972.
DOI : 10.1115/1.3426615

P. Sinha, State feedback decoupling of nonlinear systems, IEEE Transactions on Automatic Control, vol.22, issue.3, 1977.
DOI : 10.1109/TAC.1977.1101529

N. Suda, B. Wan, and I. Ueno, The Orders of Infinite Zeros of Structured Systems, Transactions of the Society of Instrument and Control Engineers, vol.25, issue.10, 1989.
DOI : 10.9746/sicetr1965.25.1062

C. Sueur and G. Dauphin-tanguy, Bond-graph approach for structural analysis of MIMO linear systems, Journal of the Franklin Institute, vol.328, issue.1, pp.55-70, 1991.
DOI : 10.1016/0016-0032(91)90006-O

C. Sueur and G. Dauphin-tanguy, Poles and zeros of multivariable linear systems: a bond graph approach, pp.211-228, 1992.

A. J. Van and . Schaft, Duality for linear systems: External and state space characterization of the adjoint system, Analysis of Controlled Dynamical Systems, pp.393-403, 1991.

J. W. Van-der-woude, On the structure at infinity of a structured system, Linear Algebra and its Applications, vol.148, pp.145-169, 1991.
DOI : 10.1016/0024-3795(91)90091-A

J. Van-dijk, On the role of bond-graph causality in modelling mechatronic systems, 1994.

W. M. Wonham and A. Morse, Decoupling and Pole Assignment in Linear Multivariable Systems: A Geometric Approach, SIAM Journal on Control, vol.8, issue.1, pp.1-18, 1970.
DOI : 10.1137/0308001

X. Xia and S. Scavarda, Adjoint system by using the representation of bond graph, ICBGM, vol.35, pp.15-20, 2001.