TY - JOUR AU - V. V. Gorokhovik TI - Second order tangent vectors to sets and minimality conditions for points of subsets of ordered normed spaces JO - Trudy Instituta matematiki PY - 2006 SP - 35 EP - 47 VL - 14 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMB_2006_14_2_a4/ LA - ru ID - TIMB_2006_14_2_a4 ER -