@article{DAN_1958_118_1_a6,
     author = {K. F. Malavko},
     title = {Convergence of {Fourier} series in systems of type $\{\varphi(nx)\}$ close to a trigonometric system},
     journal = {Doklady Akademii Nauk},
     pages = {29--32},
     publisher = {mathdoc},
     volume = {118},
     number = {1},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_118_1_a6/}
}