@article{MZM_1967_1_5_a14,
     author = {S. A. Telyakovskii},
     title = {Estimates of sums of trigonometric series and polynomials useful in connection with problems in the theory of approximation of functions},
     journal = {Matemati\v{c}eskie zametki},
     pages = {611--623},
     publisher = {mathdoc},
     volume = {1},
     number = {5},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_5_a14/}
}