TY  - JOUR
AU  - È. M. Kan
TI  - The conservation laws for quasilinear systems of four partial differential equations of the first order
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1968
SP  - 78
EP  - 80
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1968_1_a9/
LA  - ru
ID  - IVM_1968_1_a9
ER  -