@article{JDM_1925__33_145675,
     author = {P. Franck},
     title = {\"Uber paraboloidische {Fl\"achen.} {Die} {Minimalfl\"achen} und ihre {Zentralfl\"achen.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {33--44},
     publisher = {mathdoc},
     volume = {33},
     year = {1925},
     zbl = {50.0462.03},
     url = {http://geodesic.mathdoc.fr/item/JDM_1925__33_145675/}
}