TY  - JOUR
AU  - V. M. Babich
TI  - Formal power series and their applications to mathematical theory of diffraction
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2012
SP  - 5
EP  - 16
VL  - 409
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2012_409_a0/
LA  - ru
ID  - ZNSL_2012_409_a0
ER  -