@article{IVM_1967_1_a16,
     author = {J. E. Trojanker},
     title = {Approximation by trigonometric polynomials of functions continuous on an interval},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {107--114},
     publisher = {mathdoc},
     number = {1},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1967_1_a16/}
}