TY  - JOUR
AU  - V. Ya. Ivrii
TI  - Wave fronts of solutions of some hyperbolic pseudodifferential equations
JO  - Doklady Akademii Nauk
PY  - 1976
SP  - 280
EP  - 283
VL  - 229
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1976_229_2_a4/
LA  - ru
ID  - DAN_1976_229_2_a4
ER  -