TY  - JOUR
AU  - K. B. Sabitov
TI  - Solutions of Fixed Sign of Higher-Order Inhomogeneous Equations of Mixed Elliptic-Hyperbolic Type
JO  - Matematičeskie zametki
PY  - 2016
SP  - 433
EP  - 440
VL  - 100
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2016_100_3_a9/
LA  - ru
ID  - MZM_2016_100_3_a9
ER  -