TY - JOUR AU - V. È. Zhavnerchik TI - A stability problem in one critical case JO - Differencialʹnye uravneniâ PY - 1990 SP - 1895 EP - 1898 VL - 26 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_11_a7/ LA - ru ID - DE_1990_26_11_a7 ER -