TY - JOUR AU - A. A. Jushchenko TI - Existence of solutions of a system of differential equations on the whole line and Ljapunov functions JO - Differencialʹnye uravneniâ PY - 1968 SP - 2015 EP - 2026 VL - 4 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1968_4_11_a10/ LA - ru ID - DE_1968_4_11_a10 ER -