@article{JDM_1907__16_145062,
     author = {C. Juel},
     title = {\"Uber nicht-analytische {Raumkurven.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {196--204},
     year = {1907},
     volume = {16},
     zbl = {38.0632.03},
     url = {http://geodesic.mathdoc.fr/item/JDM_1907__16_145062/}
}