@article{DAN_1968_181_6_a10,
     author = {M. F. Timan},
     title = {The approximation of continuous periodic functions by linear operators which are constructed on the basis of their {Fourier} series},
     journal = {Doklady Akademii Nauk},
     pages = {1339--1342},
     publisher = {mathdoc},
     volume = {181},
     number = {6},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_181_6_a10/}
}