TY - JOUR AU - V. V. Gorokhovik TI - Step-Affine Functions, Halfspaces, and Separation of Convex Sets with Applications to Convex Optimization Problems JO - Trudy Instituta matematiki i mehaniki PY - 2020 SP - 51 EP - 70 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2020_26_1_a4/ LA - ru ID - TIMM_2020_26_1_a4 ER -