@article{10_21136_CPMF_1949_109429,
     author = {Zahorski, Zygmunt},
     title = {Sur les courbes dont la tangente admet sur chaque arc toutes les directions},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {233--235},
     publisher = {mathdoc},
     volume = {74},
     number = {3},
     year = {1949},
     doi = {10.21136/CPMF.1949.109429},
     zbl = {0037.39304},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1949.109429/}
}