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@article{MAN_1899__52_157942, author = {T. Brod\'en}, title = {Ueber das {Dirichlet'sche} {Integral.}}, journal = {Mathematische Annalen}, pages = {177--227}, publisher = {mathdoc}, volume = {52}, year = {1899}, zbl = {30.0275.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1899__52_157942/} }
T. Brodén. Ueber das Dirichlet'sche Integral.. Mathematische Annalen, Tome 52 (1899), pp. 177-227. http://geodesic.mathdoc.fr/item/MAN_1899__52_157942/