%0 Journal Article %A V. F. Gaposhkin %T On the integrability of a maximal square function in ergodic theory %J Teoriâ veroâtnostej i ee primeneniâ %D 1999 %P 432-440 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1999_44_2_a10/ %G ru %F TVP_1999_44_2_a10