TY - JOUR AU - R. È. Vinograd TI - A necessary and sufficient criterion, and the precise asymptotics of stability in the first approximation JO - Differencialʹnye uravneniâ PY - 1969 SP - 800 EP - 813 VL - 5 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1969_5_5_a1/ LA - ru ID - DE_1969_5_5_a1 ER -