%0 Journal Article %A V. L. Levin %T Existence and Uniqueness of a Measure-Preserving Optimal Mapping in a General Monge--Kantorovich %J Funkcionalʹnyj analiz i ego priloženiâ %D 1998 %P 79-82 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1998_32_3_a10/ %G ru %F FAA_1998_32_3_a10