%0 Journal Article %A N. N. Yanenko %A G. V. Demidov %T Evolutionary two-layer difference schemes %J Doklady Akademii Nauk %D 1972 %P 1057-1060 %V 204 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1972_204_5_a7/ %G ru %F DAN_1972_204_5_a7