%0 Journal Article %A R. J. Čiegis %T Economical Difference Schemes for the Solution of a Two-Dimensional Parabolic Problem with an Integral Condition %J Differencialʹnye uravneniâ %D 2005 %P 975-979 %V 41 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_7_a14/ %G ru %F DE_2005_41_7_a14