@article{10_4007_annals_2011_173_1_9,
     author = {Michael Goldstein and Wilhelm Schlag},
     title = {On resonances and the formation of gaps in the spectrum of quasi-periodic {Schr\"odinger} equations},
     journal = {Annals of mathematics},
     pages = {337--475},
     year = {2011},
     volume = {173},
     number = {1},
     doi = {10.4007/annals.2011.173.1.9},
     mrnumber = {2753606},
     zbl = {05960662},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2011.173.1.9/}
}