@article{MAN_1913__74_158625, author = {Th. Reye}, title = {Beitrag zur {Fokaltheorie} der linearen {Strahlenkongruenzen}}, journal = {Mathematische Annalen}, pages = {140--149}, year = {1913}, volume = {74}, zbl = {44.0619.03}, url = {http://geodesic.mathdoc.fr/item/MAN_1913__74_158625/} }