@article{CM_1936__3__441_0,
author = {Cohn-Vossen, Stefan},
title = {Existenz k\"urzester Wege},
journal = {Compositio Mathematica},
volume = {3},
year = {1936},
pages = {441-452},
zbl = {0015.12304},
language = {de},
url = {http://dml.mathdoc.fr/item/CM_1936__3__441_0}
}
Cohn-Vossen, Stefan. Existenz kürzester Wege. Compositio Mathematica, Tome 3 (1936) pp. 441-452. http://gdmltest.u-ga.fr/item/CM_1936__3__441_0/