TY  - JOUR
AU  - D. N. Kachevsky
TI  - First integrals of a system of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1819
EP  - 1821
VL  - 20
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_10_a23/
LA  - ru
ID  - DE_1984_20_10_a23
ER  -