@article{JDM_1917__25_145477,
     author = {Wilhelm Blaschke},
     title = {Eine {Frage} \"uber konvexe {K\"orper.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {121--125},
     publisher = {mathdoc},
     volume = {25},
     year = {1917},
     zbl = {46.1109.03},
     url = {http://geodesic.mathdoc.fr/item/JDM_1917__25_145477/}
}