@article{MZ_1926__25_167898,
     author = {K. Zindler},
     title = {\"Uber {Symmetrisierung} konvexer {Gebilde}},
     journal = {Mathematische Zeitschrift},
     pages = {602--607},
     publisher = {mathdoc},
     volume = {25},
     year = {1926},
     zbl = {52.0770.12},
     url = {http://geodesic.mathdoc.fr/item/MZ_1926__25_167898/}
}