@article{IVM_1970_7_a14,
     author = {J. E. Trojanker},
     title = {The approximation of functions that are continuous on an interval by trigonometric polynomials},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {110--115},
     publisher = {mathdoc},
     number = {7},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_7_a14/}
}