@article{1183529925,
author = {de Korvin, Andre},
title = {Expectations in von Neumann algebras},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 912-914},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529925}
}
de Korvin, Andre. Expectations in von Neumann algebras. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 912-914. http://gdmltest.u-ga.fr/item/1183529925/