@article{MAN_1871__4_156549,
     author = {Brill},
     title = {Ueber zwei {Ber\"uhrungsprobleme}},
     journal = {Mathematische Annalen},
     pages = {527--549},
     publisher = {mathdoc},
     volume = {4},
     year = {1871},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1871__4_156549/}
}