@article{1177698957,
author = {Pfanzagl, J.},
title = {Characterizations of Conditional Expectations},
journal = {Ann. Math. Statist.},
volume = {38},
number = {6},
year = {1967},
pages = { 415-421},
language = {en},
url = {http://dml.mathdoc.fr/item/1177698957}
}
Pfanzagl, J. Characterizations of Conditional Expectations. Ann. Math. Statist., Tome 38 (1967) no. 6, pp. 415-421. http://gdmltest.u-ga.fr/item/1177698957/