%0 Journal Article %A A. G. Chentsov %T Ultrafilters of measurable spaces and their application in extension constructions %J Trudy Instituta matematiki i mehaniki %D 2014 %P 285-304 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2014_20_1_a27/ %G ru %F TIMM_2014_20_1_a27