@article{MOMA_1979__87_177905,
     author = {J\"urgen T\"olke},
     title = {Eine kinematische {Kennzeichnung} der gleichseitigen {Paraboloide.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {69--80},
     publisher = {mathdoc},
     volume = {87},
     year = {1979},
     zbl = {0394.51012},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1979__87_177905/}
}