%0 Journal Article
%A A. G. Chentsov
%T Some ultrafilter properties connected with extension constructions
%J Vestnik Udmurtskogo universiteta. Matematika, mehanika, kompʹûternye nauki
%D 2014
%P 87-101
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VUU_2014_1_a7/
%G ru
%F VUU_2014_1_a7