@article{ELMA_1973__28_141094,
     author = {H. Guggenheimer},
     title = {\"Uber das {Verhalten} der {Gau{\ss}schen} {Kr\"ummung} bei {Affinit\"at.}},
     journal = {Elemente der Mathematik},
     pages = {42--42},
     publisher = {mathdoc},
     volume = {28},
     year = {1973},
     zbl = {0253.53001},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1973__28_141094/}
}