@article{BSMF_1975__103__385_0,
     author = {Combes, Fran\c{c}ois and Delaroche, Claire},
     title = {Groupe modulaire d'une esp\'erance conditionnelle dans une alg\`ebre de von {Neumann}},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {385--426},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {103},
     year = {1975},
     doi = {10.24033/bsmf.1808},
     mrnumber = {54 #3429},
     zbl = {0321.46050},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1808/}
}