TY - JOUR AU - Ivanka Tr. Angelova AU - Lubin G. Vulkov TI - Marchuk identity-type second order difference schemes of 2-d and 3-d elliptic problems with intersected interfaces JO - Kragujevac Journal of Mathematics PY - 2007 SP - 277 EP - 292 VL - 30 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KJM_2007_30_1_a20/ ID - KJM_2007_30_1_a20 ER -