TY - JOUR AU - Yu. A. Brudnyi TI - Approximation of functions of~$n$ variables by quasipolynomials JO - Izvestiya. Mathematics PY - 1970 SP - 568 EP - 586 VL - 4 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1970_4_3_a6/ LA - en ID - IM2_1970_4_3_a6 ER -