%0 Journal Article %A R. M. Trigub %T Approximation of functions by polynomials with Hermitian interpolation and restrictions on the coefficients %J Izvestiya. Mathematics %D 2003 %P 183-206 %V 67 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2003_67_1_a9/ %G en %F IM2_2003_67_1_a9