@article{IVM_1968_5_a3,
     author = {M. A. Vorob'eva},
     title = {Estimate of the deviation of a~function from the linear means of certain trigonometric polynomials},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {30--36},
     publisher = {mathdoc},
     number = {5},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_5_a3/}
}