%0 Journal Article %A A. A. Samarskii %T The stability of triple-layer difference schemes %J Doklady Akademii Nauk %D 1970 %P 998-1001 %V 192 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_192_5_a12/ %G ru %F DAN_1970_192_5_a12