00597oas 2200217z- 450 991031185810332120250224154610.02275-3230(CKB)4340000000220076(EXLCZ)99434000000022007620180319cuuuuuuuu -u- -engMémoire de la Société mathématique de FranceMathdocRefereed/Peer-reviewed1776-758X 0249-633X MémoireJOURNAL9910311858103321Memoire de la Societe Mathematique de France878106UNINA