TY - JOUR AU - V. Ya. Derr TI - A criterion for the nonoscillation of a linear difference equation JO - Differencialʹnye uravneniâ PY - 1976 SP - 747 EP - 750 VL - 12 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_4_a17/ LA - ru ID - DE_1976_12_4_a17 ER -