TY  - JOUR
AU  - S. A. Nazarov
TI  - The asymptotic behaviour of the scattering matrix in a neighbourhood of the endpoints of a spectral gap
JO  - Sbornik. Mathematics
PY  - 2017
SP  - 103
EP  - 156
VL  - 208
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/SM_2017_208_1_a5/
LA  - en
ID  - SM_2017_208_1_a5
ER  -