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 - 889 EP - 899 VL - 6 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_5_a12/ LA - ru ID - DE_1970_6_5_a12 ER -