TY - JOUR AU - L. A. Oganesyan AU - L. A. Rukhovets TI - Variational-difference schemes for second order linear elliptic equations in a two-dimensional region with a piecewise-smooth boundary JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1968 SP - 97 EP - 114 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1968_8_1_a6/ LA - ru ID - ZVMMF_1968_8_1_a6 ER -