@article{MAN_1910__69_158457,
     author = {M. Dehn},
     title = {\"Uber die {Topologie} des dreidimensionalen {Raumes.} {(Mit} 16 {Figuren} im {Text)}},
     journal = {Mathematische Annalen},
     pages = {137--168},
     publisher = {mathdoc},
     volume = {69},
     year = {1910},
     zbl = {41.0543.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1910__69_158457/}
}