TY - JOUR AU - M. M. Vainberg TI - The unconditional extremum of functionals and the convergence of minimizing sequences JO - Doklady Akademii Nauk PY - 1968 SP - 1243 EP - 1246 VL - 183 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_183_6_a1/ LA - ru ID - DAN_1968_183_6_a1 ER -