TY  - JOUR
AU  - A. I. Yanushauskas
TI  - Some systems of second-order partial differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1979
SP  - 159
EP  - 167
VL  - 15
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1979_15_1_a19/
LA  - ru
ID  - DE_1979_15_1_a19
ER  -