%0 Journal Article
%A A. G. Chentsov
%T On the question of representation of ultrafilters and their application in extension constructions
%J Trudy Instituta matematiki i mehaniki
%D 2013
%P 289-307
%V 19
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_2013_19_4_a28/
%G ru
%F TIMM_2013_19_4_a28