@article{ELMA_1995__50_4_141581,
     author = {Charles B. Thomas},
     title = {Magic and {Mathematics} at the {Court} of {Rudolph} {II.}},
     journal = {Elemente der Mathematik},
     pages = {137--148},
     publisher = {mathdoc},
     volume = {50},
     number = {4},
     year = {1995},
     zbl = {0839.01004},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1995__50_4_141581/}
}