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@article{MAN_1938__115_159981, author = {L.C. Young}, title = {General inequalities for {Stieltjes} integrals and the convergence of {Fourier} series}, journal = {Mathematische Annalen}, pages = {581--612}, publisher = {mathdoc}, volume = {115}, year = {1938}, zbl = {64.0198.03}, url = {http://geodesic.mathdoc.fr/item/MAN_1938__115_159981/} }
L.C. Young. General inequalities for Stieltjes integrals and the convergence of Fourier series. Mathematische Annalen, Tome 115 (1938), pp. 581-612. http://geodesic.mathdoc.fr/item/MAN_1938__115_159981/