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@article{MAN_1907__63_158293, author = {Stanislaus Jolles}, title = {Die {Fokaltheorie} der linearen {Strahlenkongruenzen}}, journal = {Mathematische Annalen}, pages = {337--386}, publisher = {mathdoc}, volume = {63}, year = {1907}, zbl = {38.0580.02}, url = {http://geodesic.mathdoc.fr/item/MAN_1907__63_158293/} }
Stanislaus Jolles. Die Fokaltheorie der linearen Strahlenkongruenzen. Mathematische Annalen, Tome 63 (1907), pp. 337-386. http://geodesic.mathdoc.fr/item/MAN_1907__63_158293/