Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1928__27_167995, author = {G. H., und J. Hardy and J. E. Littlewood}, title = {Some properties of fractional integrals. {I.}}, journal = {Mathematische Zeitschrift}, pages = {565--606}, publisher = {mathdoc}, volume = {27}, year = {1928}, zbl = {54.0275.05}, url = {http://geodesic.mathdoc.fr/item/MZ_1928__27_167995/} }
G. H., und J. Hardy; J. E. Littlewood. Some properties of fractional integrals. I.. Mathematische Zeitschrift, Tome 27 (1928), pp. 565-606. http://geodesic.mathdoc.fr/item/MZ_1928__27_167995/