TY  - JOUR
AU  - V. V. Kurta
TI  - Phragmen--Lindel\"of theorems for second-order semilinear equations with nonnegative characteristic form
JO  - Matematičeskie zametki
PY  - 1992
SP  - 62
EP  - 67
VL  - 52
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1992_52_1_a9/
LA  - ru
ID  - MZM_1992_52_1_a9
ER  -