A t ) ? ) ?? ????? p t = m/ (?(A t ) ? ) ??t? m ,
?? ?t ???s ???s???rs ???s ??r??é??s ???s ????rs s??t??rs? ???s ??ss? ??r ??? ?????s? ?ét????é? ?? ???? s??t??rs ???s ?? ??s ?r??ç??s ? ?? s??t??r ??r?? ??????t??r? ?t ????? ?? ???ôt????r???r?st??r?t??? ?????? ??s ét???s ???tr??t q?? ,