TY - JOUR AU - G. N. Yakovlev TI - A certain problem of A. V. Bicadze for degenerate elliptic equations JO - Differencialʹnye uravneniâ PY - 1968 SP - 147 EP - 150 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_1_a13/ LA - ru ID - DE_1968_4_1_a13 ER -