TY  - JOUR
AU  - Yu. Knezhevich
TI  - Construction of periodic solutions of ordinary differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 362
EP  - 364
VL  - 19
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_2_a18/
LA  - ru
ID  - DE_1983_19_2_a18
ER  -