%0 Journal Article %A G. Di Nunno %T H\"older equality for conditional expectations with application to linear monotone operators %J Teoriâ veroâtnostej i ee primeneniâ %D 2003 %P 194-198 %V 48 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_2003_48_1_a13/ %G en %F TVP_2003_48_1_a13