@article{JRAM_1940__182_150079,
     author = {Otto Delvendahl},
     title = {Die {Singularit\"aten} der {Elementarkurven.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {54--59},
     publisher = {mathdoc},
     volume = {182},
     year = {1940},
     zbl = {0022.27001},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1940__182_150079/}
}