%0 Journal Article
%A A. Ya. Chervonenkis
%T On some properties of classes of events for which the conditions

%J Izvestiya. Mathematics 
%D 2012
%P 1271-1285
%V 76
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_2012_76_6_a10/
%G en
%F IM2_2012_76_6_a10