TY  - JOUR
AU  - A. P. Kiselev
TI  - High-frequency source between the branches of hyperbola
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1972
SP  - 79
EP  - 100
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1972_25_a4/
LA  - ru
ID  - ZNSL_1972_25_a4
ER  -