@article{JRAM_1925__154_149574,
     author = {B. Schilling},
     title = {Eine neue {Bestimmung} aller {Ber\"uhrungstransformationen} der {Kreise} in der {Ebene.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {241--259},
     publisher = {mathdoc},
     volume = {154},
     year = {1925},
     zbl = {51.0498.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1925__154_149574/}
}