TY  - JOUR
AU  - A. K. Gushchin
AU  - V. P. Mikhailov
TI  - Comparison theorems for solutions of hyperbolic equations
JO  - Sbornik. Mathematics
PY  - 1989
SP  - 349
EP  - 371
VL  - 62
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1989_62_2_a2/
LA  - en
ID  - SM_1989_62_2_a2
ER  -