@article{IVM_1964_4_a15,
     author = {N. M. Pavlovskiǐ},
     title = {A method of approximating differentiable functions by trigonometric polynomials},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {118--125},
     publisher = {mathdoc},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_4_a15/}
}