%0 Journal Article %A G. A. Zhirnova %T The approximation of functions by polynomials with integral coefficient %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1958 %P 80-88 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1958_4_a8/ %G ru %F IVM_1958_4_a8