@article{AA_2013_25_2_a6,
     author = {V. A. Marchenko},
     title = {Hill discriminants and spectra of periodic {Jacobi} matrices},
     journal = {Algebra i analiz},
     pages = {155--161},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2013_25_2_a6/}
}