%0 Journal Article
%A V. M. Manuilov
%A E. V. Troitskii
%A M. Frank
%T Actions of groups and conditional expectations of finite index
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1998
%P 30-34
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1998_2_a6/
%G ru
%F VMUMM_1998_2_a6