@article{SM_1984_49_2_a12,
     author = {M. M. Lekishvili},
     title = {On the approximation of periodic functions by $(C,\alpha)$ means},
     journal = {Sbornik. Mathematics},
     pages = {491--501},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_49_2_a12/}
}