@article{JDM_1912__21_145323,
     author = {A. Brill},
     title = {Das {Relativit\"atsprinzip.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {60--87},
     publisher = {mathdoc},
     volume = {21},
     year = {1912},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1912__21_145323/}
}