@article{JDM_1913__22_145354,
     author = {E. M\"uller},
     title = {Das {Abbildungsprinzip.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {44--59},
     publisher = {mathdoc},
     volume = {22},
     year = {1913},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1913__22_145354/}
}