TY - JOUR AU - V. A. Dykhta TI - Positional strengthenings of the maximum principle and sufficient optimality conditions JO - Trudy Instituta matematiki i mehaniki PY - 2015 SP - 73 EP - 86 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2015_21_2_a6/ LA - ru ID - TIMM_2015_21_2_a6 ER -