@article{MZ_1923__16_174950,
     author = {St. Jolles},
     title = {Die {Bestimmung} der {Inzidenzen} in korrelativen {R\"aumen} verm\"ogeder windschief involutorischen linearen {Strahlenkongruenz}},
     journal = {Mathematische Zeitschrift},
     pages = {13--42},
     year = {1923},
     volume = {16},
     zbl = {49.0431.03},
     url = {http://geodesic.mathdoc.fr/item/MZ_1923__16_174950/}
}