@article{JRAM_1943__185_150130,
     author = {Walter Buckel},
     title = {\"Uber eine {Verallgemeinerung} der {Dupinschen} {Indikatrix.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {144},
     publisher = {mathdoc},
     volume = {185},
     year = {1943},
     zbl = {0028.31201},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/JRAM_1943__185_150130/}
}