%0 Journal Article
%A A. Ya. Helemskii
%T Homological characterization of factors of type~I
%J Doklady Akademii Nauk
%D 1995
%P 454-456
%V 344
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1995_344_4_a5/
%G ru
%F DAN_1995_344_4_a5