%0 Journal Article %A Alexander G. Chentsov %T Products of ultrafilters and maximal linked systems on widely understood measurable spaces %J Ural mathematical journal %D 2021 %P 3-32 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UMJ_2021_7_2_a0/ %G en %F UMJ_2021_7_2_a0