%0 Journal Article
%A V. G. Kulakova
%T Invariant means and conditional expectation operators
%J Zapiski Nauchnykh Seminarov POMI
%D 1977
%P 207-210
%V 73
%U http://geodesic.mathdoc.fr/item/ZNSL_1977_73_a15/
%G ru
%F ZNSL_1977_73_a15