???? ?s??rt?? ???? ??s ? ?????? ??????? t??st?? str??t?r? ??s ?? ????r? ????? ???? s??? ?? t?? s??r?? ?s ,
? ?r?q???t s???r???s ?s ??r? ????? ?s str??t?r?? s?????r?t? r??r?s??ts??t? str??t?r?? s?????r?t? ?r? ??t ??????t ?????? t? ??t??t ??? s?????r s???r???s ?? r??????r?? ??t?? ??????? ????t str??t?r?? s??? ???r?t? ???s ??t ????? ??t??t??? s?????r ??t s????t?? ????r??t s???r???s? ??? ???r?????t? str??t?r?? s?????r?t? ??s t?? ?r????? ?? t?r?s???? s?tt???? ????? ? t???t t?r?s???? ???? ?r????t ??t??t??? ???? s?????r s???r???s t??t s????t?? ????r ?? str??t?r? ?????? t?? t???r???? t?r?s???? ??? t??s ?r?s?r?? ? ???? ?????r ?? s???r???s? ?? ???tr?st? ? ???s? t?r?s???? ???? ?????r t?? s??????ss ?? t?? s????t??? ?????s? ?? ???s? ??s?t???s? ???s r?s?s t?? ???? ??r ? ????r? ??t ??? t? ???s???r t?? str??t?r?? s?????r?t? s??? t??t ??t? ???s? ??? ??st??t str??t?r?? s?????r?t??s ????? ?? ??t??t?? ??t? r?s???t t? t?? s ,
? s????t?? s???r???s ?s st??? ????? ??t? ?? ???t t? s??? ?s ??? s???r???s ?s ??ss???? s? t??t t?? ?s?r?s r??????|?|]? ?? ???t t? s????t ?? t? k r??r?s??t?t??? s???r???s ? k ? ? s??? t??t ???? ?r?q???t s???r??? g ? ? ??s ??? r??r?s??t?t??? s???r??????????t? g ? ? ? k ? ??? ???? r??r?s??t?t??? s???r??? ?s t?? ???s?st ??? t? ??? t?? s???r???s ?t r??r?s??ts? ?? ?? s?? t?? s?t ?? ?r?q???t s???r???s ?s ??????? ??t? k ???st?rs ?s??? ? ???st?r??? ????r?t??? t??? t?? ???st?r ???tr???s ?r? s????t?? t? ?? t?? r??r?s??t?t??? s???r??????????t?s s??? t??t ???? ???tr??? ?s r??r?s??t?t??? ??r ??? s???r???s ??t??? t?? s??? ???st?r? ????? ??ï?? ???r???? ?s ?? ?r? ?tt???t??? t? s????t t???? r??r?s??t?t??? s???r???s ??s?? ?? ???s? t?r???? ? ????????t?? ??rt ?? ??r s????t??? ?r?????r? ?s t?? ?r?, p.17 ,
??s?r??t??? ?s t??t t?? ??r??s ?r? ??tt???? ?? t?? r?????s ?? s???? s???r???s ?s ???? ?s ?? t??s? ?? ??r?? s???r???s? ???s ?????str?t?s t?? ????t?????ss ?? ??? ?? ??t? s???? ??? ??r?? s???r???s? ??? ????t?r ?? ??? ? ????r?s ?? ??????t ??s????r? ?? t?????????? r??r?s??t?t??? s???r???s ????r? ???? ??str???t??? ?? s???r???s ?? s??? ??r t?? ???? ??t???r?? s?r??? ??t?s?t? ????r? ???? ??str???t??? ?? s???r???s ?? s??? ??r t?? ,
t?? ??ï?? ???r???? t? s????t ??? r??r?s??t?t???s ????? ????? s???r???s ??t? ??r??t??? ?? t?? ?????r ?? ?r???s? ??????? ?????????t? t? ?????r ?????r ?? ?r???s ?? r??????r?? ???????t???s? t?? s??? ?? ?r??? ??t???s?s ?s ?s????? ??r? ????? ?? st??? t?? ????t ?? ??r???? t?? ?????r ?? ?r???s ?? t?? r??t? ,
?r?t?s ??tr???s t??t q???t??? t?? s?????r?t??s ??? t???? ????s ?????s? ?????P?tt ?s?s s?????r?t? s??r?s ?? t?? ??tr?? t? ??t??t t?? ???r??? s?????r?t? ??t???? ???rs ?? s???r???s? ?r???s r??r?s??t??? ?r?? t??? str??t?r?s ?r? ,
?r?t??? str??t?r? ??t?s?ts? ??s??ts s????? t??t ?????P?tt ?s ???? t? s????t ? s???? ??t r??r?s??t?t??? ??? ????r??t??? s??s?t ?? s???r???s ????? t?? ?r?q???t ???s? ??r????r? ?????P?tt ??t??r??r??? ???? ?t??r s??? ?r??? s????t??? ???r?????s ?? ???ss?????? t?? ???s???r?? ?r?t??? str??t?r? ??t?s?ts? ?t ???? r?????? ???? ????r??? ??t? ??? ??t?s?t? ???s s???s t??t ?? ,
r??t??s ??t? ??r??ts ??? ????? ??r??t ????? ??r??t ?s ?s?? t? r??r?s??t ?????????? s?q?????s? s??? ?s ?r?t??? ?r?? ??r? str??t?r?s? ,
?? s??s??r????s ?réq???ts ?? s??t ??s ??rt????ts ??r?? q????s s??t r???????ts ?? t??t s????????t ???t???s ???r ???t???s?t??r? ?? ??tr?? ???r ????r? é???é ???t ???r? ?? ?ê?? r???r? ??r???s ?rré???s???? t??t? ?t???s?t??? ??t?r???r?? ?? r????????? ???s ??s s??s??r????s ?réq???ts ?st ?r???????????t ??? à ?? s?????r?té str??t?r???? ?t ? ?? sé???t?q??? ???sq?? ?? ?????rt ??s s??s??r????s ?é?????rts ???èr??t ?é?èr????t ???s ???r str??t?r?s ?t ??????t ???r???r ??s s???????t???s s??????r?s ?? ?ê?? ????t?q??s? ???s ??tt? t?ès?? ???s ?r???s??s ???? ???r????s ?? sé???t??? ??s s??s? ?r????s r??rés??t?t??s ??r?? ??s ?réq???ts ,