@article{02246272,
title = {Jensen's inequality for conditional expectations.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {6},
year = {2005},
zbl = {1094.47028},
language = {en},
url = {http://dml.mathdoc.fr/item/02246272}
}
Hansen, Frank. Jensen's inequality for conditional expectations.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 6 (2005) . http://gdmltest.u-ga.fr/item/02246272/