@article{IVM_1972_2_a1, author = {S. Ya. Al'per}, title = {The approximation of functions that are analytic on perfect sets by polynomials with integer coefficients}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {11--15}, publisher = {mathdoc}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_2_a1/} }