@article{MZ_1935__39_168545,
     author = {N. Tschebotrar\"ow},
     title = {\"Uber quadrierbare {Kreisbogenzweiecke} {I.} {Herrn} {Professor} {Dr.} {Michael} {Bauer} zum 60. {Geburtstag} am 20 {September} 1934 gewidmet},
     journal = {Mathematische Zeitschrift},
     pages = {161--175},
     publisher = {mathdoc},
     volume = {39},
     year = {1935},
     url = {http://geodesic.mathdoc.fr/item/MZ_1935__39_168545/}
}