TY - JOUR AU - N. V. Ardelyan TI - Stability of two-layer operator-difference schemes with symmetric and skew-symmetric operators JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1999 SP - 979 EP - 991 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1999_5_4_a1/ LA - ru ID - FPM_1999_5_4_a1 ER -