TY - JOUR AU - N. V. Medvedev TI - Sufficient conditions for the existence of bounded solutions of a system of differential equations JO - Differencialʹnye uravneniâ PY - 1967 SP - 1088 EP - 1094 VL - 3 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1967_3_7_a6/ LA - ru ID - DE_1967_3_7_a6 ER -