@article{GDZPPN002283999, title = {Coefficient Properties of Fourier Series with a Gap Condition.}, journal = {Mathematische Annalen}, volume = {127}, year = {1954}, pages = {55-62}, zbl = {0055.29502}, url = {http://dml.mathdoc.fr/item/GDZPPN002283999} }
Noble, M.E. Coefficient Properties of Fourier Series with a Gap Condition.. Mathematische Annalen, Tome 127 (1954) pp. 55-62. http://gdmltest.u-ga.fr/item/GDZPPN002283999/