@article{CM_1935__2__69_0,
     author = {Cohn-Vossen, Stefan},
     title = {K\"urzeste {Wege} und {Totalkr\"ummung} auf {Fl\"achen}},
     journal = {Compositio Mathematica},
     pages = {69--133},
     publisher = {Johnson Reprint Corporation},
     volume = {2},
     year = {1935},
     zbl = {0011.22501},
     language = {de},
     url = {http://www.numdam.org/item/CM_1935__2__69_0/}
}