%0 Journal Article %A R. D. Lazarov %A V. L. Makarov %A A. A. Samarskii %T Application of exact difference schemes to the construction and study of difference schemes for generalized solutions %J Sbornik. Mathematics %D 1983 %P 461-471 %V 45 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1983_45_4_a3/ %G en %F SM_1983_45_4_a3