@article{JEMS_2017_19_2_a6,
     author = {Katsiaryna Krupchyk and Gunther Uhlmann},
     title = {Absolute continuity of the periodic {Schr\"odinger} operator in transversal geometry},
     journal = {Journal of the European Mathematical Society},
     pages = {531--550},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2017},
     doi = {10.4171/jems/673},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/673/}
}