TY - JOUR AU - V. N. Vragov TI - The smoothness of solutions of the first boundary value problem for a degenerate elliptic equation JO - Differencialʹnye uravneniâ PY - 1970 SP - 209 EP - 212 VL - 6 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_1_a23/ LA - ru ID - DE_1970_6_1_a23 ER -