TY - JOUR AU - V. L. Levin TI - Existence and Uniqueness of a Measure-Preserving Optimal Mapping in a General Monge--Kantorovich JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1998 SP - 79 EP - 82 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1998_32_3_a10/ LA - ru ID - FAA_1998_32_3_a10 ER -