%0 Journal Article %A Chi-Hsing Yong %T On The Asymptotic Behaviours Of Cosine Series With Monotone Coefficients %J Publications de l'Institut Mathématique %D 1969 %P 29 %V _N_S_09 %N 23 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1969_N_S_09_23_a3/ %F PIM_1969_N_S_09_23_a3