@article{IM2_2017_81_2_a7,
     author = {V. G. Chirskii},
     title = {Arithmetic properties of polyadic series with periodic coefficients},
     journal = {Izvestiya. Mathematics},
     pages = {444--461},
     year = {2017},
     volume = {81},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2017_81_2_a7/}
}