@article{MAN_1934__109_159665,
     author = {B.L. van der Waerden},
     title = {Zur algebraischen {Geometrie} {IV.} {Die} {Homologiezahlen} der {Quadriken} und die {Formeln} von {Halphen} der {Liniengeometrie}},
     journal = {Mathematische Annalen},
     pages = {7},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {0007.42101},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/MAN_1934__109_159665/}
}