@article{MAN_1880__17_156919,
     author = {in M\"unchen. Marx},
     title = {Synthetischer {Nachweis} des {Euler'schen} {Satzes} \"uber {Kr\"ummungsradien}},
     journal = {Mathematische Annalen},
     pages = {110--114},
     publisher = {mathdoc},
     volume = {17},
     year = {1880},
     zbl = {12.0473.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1880__17_156919/}
}