TY - JOUR AU - T. Sh. Kal'menov AU - M. Otelbaev TI - The smoothness of the solutions of a class of degenerate elliptic equations JO - Differencialʹnye uravneniâ PY - 1977 SP - 1244 EP - 1255 VL - 13 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1977_13_7_a10/ LA - ru ID - DE_1977_13_7_a10 ER -