%0 Journal Article %A Hsiang, Fu Cheng %T On the absolute summability factors of Fourier series at a given point %J Compositio Mathematica %D 1965-1966 %P 156-160 %V 17 %I Kraus Reprint %U http://archive.numdam.org/item/CM_1965-1966__17__156_0/ %G en %F CM_1965-1966__17__156_0