@article{SM_2018_209_12_a7,
     author = {E. M. Shishlyannikov},
     title = {The existence of a~two-dimensional bounded system with continual and coinciding spectra of frequencies and of wandering exponents},
     journal = {Sbornik. Mathematics},
     pages = {1812--1826},
     publisher = {mathdoc},
     volume = {209},
     number = {12},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2018_209_12_a7/}
}