@article{MZ_1966__91_170520,
     author = {Chi-Hsing Yong},
     title = {Integrabilty {Theorems} of {Powers} of {Trigonometric} {Series} with {Quasi-Monotone} {Coefficients.}},
     journal = {Mathematische Zeitschrift},
     pages = {280--293},
     publisher = {mathdoc},
     volume = {91},
     year = {1966},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__91_170520/}
}