TY - JOUR AU - G. M. Amiraliev TI - A finite difference method for the solution of a linear and a quasilinear elliptic equation with two lines of degeneracy JO - Differencialʹnye uravneniâ PY - 1975 SP - 577 EP - 580 VL - 11 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1975_11_3_a17/ LA - ru ID - DE_1975_11_3_a17 ER -