@article{MZM_1968_4_1_a2,
     author = {V. V. Zhuk},
     title = {On the order of approximation of a~continuous $2\pi$-periodic function by {Fejer} and {Poisson} means of its {Fourier} series},
     journal = {Matemati\v{c}eskie zametki},
     pages = {21--32},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1968_4_1_a2/}
}