TY - JOUR AU - M. F. Sukhinin TI - A~weakened variant of the law of Lagrange multipliers in a~Banach space JO - Matematičeskie zametki PY - 1977 SP - 223 EP - 228 VL - 21 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1977_21_2_a10/ LA - ru ID - MZM_1977_21_2_a10 ER -