@article{JRAM_1912__141_149375,
     author = {H. Weyl},
     title = {\"Uber das {Spektrum} der {Hohlraumstrahlung.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {163--181},
     year = {1912},
     volume = {141},
     zbl = {43.1063.02},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1912__141_149375/}
}