TY - JOUR AU - V. L. Levin TI - Optimality Conditions for Smooth Monge Solutions of the Monge--Kantorovich problem JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2002 SP - 38 EP - 44 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2002_36_2_a3/ LA - ru ID - FAA_2002_36_2_a3 ER -