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@article{MAN_1909__67_158409, author = {L. Schur}, title = {Zur {Theorie} der linearen homogenen {Integralgleichungen}}, journal = {Mathematische Annalen}, pages = {306--339}, publisher = {mathdoc}, volume = {67}, year = {1909}, zbl = {40.0397.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1909__67_158409/} }
L. Schur. Zur Theorie der linearen homogenen Integralgleichungen. Mathematische Annalen, Tome 67 (1909), pp. 306-339. http://geodesic.mathdoc.fr/item/MAN_1909__67_158409/