%0 Journal Article %A V. F. Tishkin %A A. P. Favorski %A M. Yu. Shashkov %T Variational-difference schemes for the heat-conduction equation on nonregular grids %J Doklady Akademii Nauk %D 1979 %P 1342-1346 %V 246 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_246_6_a14/ %G ru %F DAN_1979_246_6_a14