TY - JOUR AU - Ya. V. Bykov TI - On a class of systems of ordinary differential equations JO - Differencialʹnye uravneniâ PY - 1965 SP - 1449 EP - 1476 VL - 1 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1965_1_11_a2/ LA - ru ID - DE_1965_1_11_a2 ER -