@article{CMH_1934__7_138635,
     author = {A. Pfluger},
     title = {\"Uber numerische {Schranken} im {Schottky'schen} {Satz.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {159--170},
     publisher = {mathdoc},
     volume = {7},
     year = {1934},
     zbl = {61.0355.01},
     url = {http://geodesic.mathdoc.fr/item/CMH_1934__7_138635/}
}