%0 Journal Article %A S. Ya. Al'per %T The approximation of functions that are analytic on perfect sets by polynomials with integer coefficients %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1972 %P 11-15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1972_2_a1/ %G ru %F IVM_1972_2_a1