@article{CM_1938__5__284_0,
     author = {Samelson, Hans},
     title = {\"Uber die {Drehung} der {Tangenten} offener ebener {Kurven}},
     journal = {Compositio Mathematica},
     pages = {284--291},
     publisher = {Johnson Reprint Corporation},
     volume = {5},
     year = {1938},
     zbl = {0018.03804},
     language = {de},
     url = {http://www.numdam.org/item/CM_1938__5__284_0/}
}