TY  - JOUR
AU  - A. N. Gorban'
TI  - A~generalized approximation theorem and an exact representation of polynomials of several variables by superpositions of polynomials of one variable
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1998
SP  - 6
EP  - 9
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1998_5_a1/
LA  - ru
ID  - IVM_1998_5_a1
ER  -