@article{CM_1936__3__441_0,
     author = {Cohn-Vossen, Stefan},
     title = {Existenz k\"urzester {Wege}},
     journal = {Compositio Mathematica},
     pages = {441--452},
     publisher = {Johnson Reprint Corporation},
     volume = {3},
     year = {1936},
     zbl = {0015.12304},
     language = {de},
     url = {http://www.numdam.org/item/CM_1936__3__441_0/}
}