@article{JRAM_1975__0274_0275_151596,
     author = {Hubert Frank},
     title = {Fl\"achenstreifen und {Dupinsche} {Zykliden} in der {Laguerre-Geometrie.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {424--440},
     publisher = {mathdoc},
     volume = {0274_0275},
     year = {1975},
     zbl = {0302.50015},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1975__0274_0275_151596/}
}