%0 Journal Article %A V. N. Abrashin %A V. A. Mukha %T A class of efficient difference schemes for solving multidimensional problems in mathematical physics %J Differencialʹnye uravneniâ %D 1992 %P 1786-1799 %V 28 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_10_a14/ %G ru %F DE_1992_28_10_a14