@article{IM2_1986_27_1_a5,
     author = {A. V. Kasyanchuk},
     title = {Series in the system $\{f(nx)\}_{n=1}^\infty$},
     journal = {Izvestiya. Mathematics },
     pages = {101--113},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1986_27_1_a5/}
}