@article{UFA_2013_5_2_a9,
     author = {M. G. Yumagulov},
     title = {Localization of {Arnold} tongues of discrete dynamical systems},
     journal = {Ufa mathematical journal},
     pages = {109--130},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_2_a9/}
}