TY  - JOUR
AU  - V. I. Chemodanov
TI  - The isochronism of a certain system of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1968
SP  - 821
EP  - 829
VL  - 4
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1968_4_5_a5/
LA  - ru
ID  - DE_1968_4_5_a5
ER  -