@article{JDM_1913__22_145386,
     author = {C. Juel},
     title = {\"Uber {Elementarfl\"achen.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {345--350},
     publisher = {mathdoc},
     volume = {22},
     year = {1913},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1913__22_145386/}
}