TY - JOUR AU - A. M. A. Abou-El-Ela AU - A. I. Sadek TI - Asymptotic behavior of solutions of some nonautonomous differential equations JO - Differencialʹnye uravneniâ PY - 2000 SP - 415 EP - 417 VL - 36 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2000_36_3_a15/ LA - ru ID - DE_2000_36_3_a15 ER -