TY  - JOUR
AU  - N. N. Vinogradov
TI  - Certain existence theorems for a periodic solution and theorems on determining the boundary of a region of asymptotic stability of the trivial solution of a system of ordinary differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1965
SP  - 442
EP  - 448
VL  - 1
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1965_1_4_a2/
LA  - ru
ID  - DE_1965_1_4_a2
ER  -