TY - JOUR AU - Chi-Hsing Yong TI - On The Asymptotic Behaviours Of Cosine Series With Monotone Coefficients JO - Publications de l'Institut Mathématique PY - 1969 SP - 29 VL - _N_S_09 IS - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PIM_1969_N_S_09_23_a3/ ID - PIM_1969_N_S_09_23_a3 ER -