TY - JOUR AU - I. A. Kipriyanov TI - A variational method of solving a class of degenerate elliptic equations JO - Doklady Akademii Nauk PY - 1963 SP - 35 EP - 38 VL - 152 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_152_1_a7/ LA - ru ID - DAN_1963_152_1_a7 ER -