TY  - JOUR
AU  - G. A. Artemov
TI  - The unrestricted applicability of Čaplygin's theorem to a first-order system of partial differential equations
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1960
SP  - 16
EP  - 20
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/IVM_1960_3_a1/
LA  - ru
ID  - IVM_1960_3_a1
ER  -