TY - JOUR AU - L. D. Vishnevskii TI - Construction in finite form of the solutions of certain classes of nonautonomous systems of ordinary differential equations JO - Differencialʹnye uravneniâ PY - 1970 SP - 1000 EP - 1006 VL - 6 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1970_6_6_a5/ LA - ru ID - DE_1970_6_6_a5 ER -