%0 Journal Article %A A. I. Kozko %T Fractional derivatives and inequalities for trigonometric polynomials in spaces with asymmetric norms %J Izvestiya. Mathematics %D 1998 %P 1189-1206 %V 62 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1998_62_6_a5/ %G en %F IM2_1998_62_6_a5