TY  - JOUR
AU  - By Kim Tuan
TI  - The number of solutions of a system of partial differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1989
EP  - 1992
VL  - 20
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_11_a19/
LA  - ru
ID  - DE_1984_20_11_a19
ER  -