@book{AST_1988__157-158_,
     author = {Collectif},
     title = {Colloque {Paul} {L\'evy} sur les processus stochastiques (22-26 juin 1987. {\'Ecole} {Polytechnique,} {Palaiseau)}},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {157-158},
     year = {1988},
     language = {mul},
     url = {http://www.numdam.org/item/AST_1988__157-158_/}
}