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@article{MAN_1909__67_158422, author = {Michel Plancherel}, title = {\"Uber singul\"are {Integralgleichungen}}, journal = {Mathematische Annalen}, pages = {515--518}, publisher = {mathdoc}, volume = {67}, year = {1909}, zbl = {40.0407.03}, url = {http://geodesic.mathdoc.fr/item/MAN_1909__67_158422/} }
Michel Plancherel. Über singuläre Integralgleichungen. Mathematische Annalen, Tome 67 (1909), pp. 515-518. http://geodesic.mathdoc.fr/item/MAN_1909__67_158422/