@article{10_21136_CPMF_1937_122526,
     author = {Scherk, Peter},
     title = {\"Uber differenzierbare {Kurven} und {B\"ogen.} {I.} {Zum} {Begriff} der {Charakteristik.}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {165--171},
     publisher = {mathdoc},
     volume = {66},
     number = {3},
     year = {1937},
     doi = {10.21136/CPMF.1937.122526},
     zbl = {0016.22702},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1937.122526/}
}