@article{MOMA_1970__74_177513,
     author = {Josef Hoschek},
     title = {\"Uber windschiefe {B\"oschungsfl\"achen} und {Konoide} im {Gro{\ss}en.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {308--322},
     publisher = {mathdoc},
     volume = {74},
     year = {1970},
     zbl = {0203.23904},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1970__74_177513/}
}