TY  - JOUR
AU  - S. P. Khekalo
TI  - Temporary deformations of degrees of the wave operator
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2005
SP  - 213
EP  - 228
VL  - 324
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2005_324_a12/
LA  - ru
ID  - ZNSL_2005_324_a12
ER  -