%0 Journal Article %A Ivanka Tr. Angelova %A Lubin G. Vulkov %T Marchuk identity-type second order difference schemes of 2-d and 3-d elliptic problems with intersected interfaces %J Kragujevac Journal of Mathematics %D 2007 %P 277 %V 30 %I mathdoc %U http://geodesic.mathdoc.fr/item/KJM_2007_30_a20/ %G en %F KJM_2007_30_a20