TY - JOUR AU - E. S. Levitin TI - On differential properties of the optimum value or parametric problems of mathematical programming JO - Doklady Akademii Nauk PY - 1974 SP - 792 EP - 795 VL - 215 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_215_4_a6/ LA - ru ID - DAN_1974_215_4_a6 ER -