@article{MZM_2014_96_3_a7,
     author = {R. A. Konev and V. V. Ryzhikov},
     title = {On the {Collection} of {Spectral} {Multiplicities} $\{2,4,\dots,2^n\}$ for {Totally} {Ergodic} $\mathbb{Z}^2${-Actions}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {383--392},
     publisher = {mathdoc},
     volume = {96},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2014_96_3_a7/}
}