@article{JDM_1921__30_145615,
     author = {Josef Anton Gmeiner},
     title = {Zu den },
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {175--179},
     publisher = {mathdoc},
     volume = {30},
     year = {1921},
     zbl = {48.0065.05},
     url = {http://geodesic.mathdoc.fr/item/JDM_1921__30_145615/}
}