@article{IVM_1969_12_a10,
     author = {A. I. Polovina},
     title = {The best uniform approximation by algebraic polynomials of differentiable functions},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {76--82},
     year = {1969},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1969_12_a10/}
}