TY  - JOUR
AU  - R. Pirov
TI  - On some overdetermined systems of three differential equations in second-order partial derivatives
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 2016
SP  - 544
EP  - 556
VL  - 158
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_2016_158_4_a6/
LA  - ru
ID  - UZKU_2016_158_4_a6
ER  -