@article{SM_2017_208_1_a0,
     author = {A. G. Baskakov and D. M. Polyakov},
     title = {The method of similar operators in the spectral analysis of the {Hill} operator with nonsmooth potential},
     journal = {Sbornik. Mathematics},
     pages = {1--43},
     publisher = {mathdoc},
     volume = {208},
     number = {1},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_1_a0/}
}