@article{MZ_1931__33_168294,
     author = {St. Jolles},
     title = {Die {Polarit\"at} als {Grundlage} in der {Geometrie} der linearen {Strahlenkongruenz}},
     journal = {Mathematische Zeitschrift},
     pages = {733--790},
     publisher = {mathdoc},
     volume = {33},
     year = {1931},
     zbl = {0002.14603},
     url = {http://geodesic.mathdoc.fr/item/MZ_1931__33_168294/}
}