TY - JOUR AU - V. N. Vragov TI - The smoothness of weak solutions for a certain elliptic equation that degenerates on the boundary JO - Doklady Akademii Nauk PY - 1970 SP - 514 EP - 516 VL - 190 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1970_190_3_a5/ LA - ru ID - DAN_1970_190_3_a5 ER -