@article{MS2_1991__68_1_167160,
     author = {Paul Jolissaint},
     title = {Indice d'esperances conditionnelles et algebres de von {Neumann} finies.},
     journal = {Mathematica Scandinavica},
     pages = {221--246},
     publisher = {mathdoc},
     volume = {68},
     number = {1},
     year = {1991},
     zbl = {0762.46059},
     url = {http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167160/}
}