TY  - JOUR
AU  - S. A. Nazarov
TI  - Asymptotics of eigenvalues in spectral gaps of periodic waveguides with small singular perturbations
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 2018
SP  - 168
EP  - 210
VL  - 471
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_2018_471_a11/
LA  - ru
ID  - ZNSL_2018_471_a11
ER  -