TY - JOUR AU - A. D. Dzhabrailov TI - An investigation of certain classes of second order quasilinear elliptic equations. II, III JO - Differencialʹnye uravneniâ PY - 1970 SP - 1279 EP - 1288 VL - 6 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_7_a15/ LA - ru ID - DE_1970_6_7_a15 ER -