%0 Journal Article %A N. V. Ardelyan %T Stability of two-layer operator-difference schemes with symmetric and skew-symmetric operators %J Fundamentalʹnaâ i prikladnaâ matematika %D 1999 %P 979-991 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1999_5_4_a1/ %G ru %F FPM_1999_5_4_a1