@article{ELMA_1977__32_141199,
     author = {Rolf Schneider},
     title = {Ein kombinatorisches {Analogon} zum {Satz} von {Gauss-Bonnet.}},
     journal = {Elemente der Mathematik},
     pages = {105--108},
     publisher = {mathdoc},
     volume = {32},
     year = {1977},
     zbl = {0355.57008},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1977__32_141199/}
}