TY - JOUR AU - S. Ya. Yakubov AU - È. Ch. Ibragimov TI - Estimates for the solutions of an ordinary differential equation with a parameter and functional conditions JO - Differencialʹnye uravneniâ PY - 1990 SP - 1551 EP - 1562 VL - 26 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_9_a9/ LA - ru ID - DE_1990_26_9_a9 ER -