TY - JOUR AU - A. D. Dzhavadyan TI - Grid selection in the variation-difference method for solving second-order elliptic equations with quasidegenerate quadratic form JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1989 SP - 1634 EP - 1649 VL - 29 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_11_a3/ LA - ru ID - ZVMMF_1989_29_11_a3 ER -