%0 Journal Article %A A. V. Gulin %T Stability criteria for certain nonselfadjoint three-layer difference schemes %J Differencialʹnye uravneniâ %D 1980 %P 1205-1210 %V 16 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_7_a4/ %G ru %F DE_1980_16_7_a4