%0 Journal Article %A A. G. Chentsov %T On the question of representation of ultrafilters in a~product of measurable spaces %J Trudy Instituta matematiki i mehaniki %D 2013 %P 307-319 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2013_19_2_a29/ %G ru %F TIMM_2013_19_2_a29