@article{JRAM_1953__191_150233,
     author = {Wilhelm Specht},
     title = {Eine mathematische {Frage} der {Strahlentherapie.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {92--96},
     publisher = {mathdoc},
     volume = {191},
     year = {1953},
     zbl = {0050.28301},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1953__191_150233/}
}