TY  - JOUR
AU  - Roman G. Shterenberg
AU  - Rupert L. Frank
TI  - On the scattering theory of the Laplacian with a periodic boundary condition. II. Additional channels of scattering
JO  - Documenta mathematica
PY  - 2004
SP  - 57
EP  - 77
VL  - 9
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/157/
DO  - 10.4171/dm/157
ID  - 10_4171_dm_157
ER  -