%0 Journal Article
%A A. N. Gorban'
%T A~generalized approximation theorem and an exact representation of polynomials of several variables by superpositions of polynomials of one variable
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1998
%P 6-9
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1998_5_a1/
%G ru
%F IVM_1998_5_a1