@article{RM_1991_46_2_a14,
     author = {S. Ya. Zhitomirskaya},
     title = {Spectral properties of one-dimensional almost periodic operators},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {260--261},
     publisher = {mathdoc},
     volume = {46},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1991_46_2_a14/}
}