@article{10_4171_dm_159,
     author = {N. Filonov and F. Klopp},
     title = {Absolute continuity of the spectrum of a {Schr\"odinger} operator with a potential which is periodic in some directions and decays in others},
     journal = {Documenta mathematica},
     pages = {107--121},
     year = {2004},
     volume = {9},
     doi = {10.4171/dm/159},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/159/}
}