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@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/} }
Charles B. Thomas. Magic and Mathematics at the Court of Rudolph II.. Elemente der Mathematik, Tome 50 (1995) no. 4, pp. 137-148. http://geodesic.mathdoc.fr/item/ELMA_1995__50_4_141581/