%0 Journal Article
%A A. G. Chentsov
%T Tier mappings and ultrafilter-based transformations
%J Trudy Instituta matematiki i mehaniki
%D 2012
%P 298-314
%V 18
%N 4
%U http://geodesic.mathdoc.fr/item/TIMM_2012_18_4_a26/
%G ru
%F TIMM_2012_18_4_a26