%0 Journal Article %A Oniani, G. %T Some negative results concerning the process of Fejér type trigonometric convolution. %J Georgian Mathematical Journal %D 1995 %P 313-322 %V 2 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_1995__2_3_47457/ %G en %F GMJ_1995__2_3_47457