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@article{JRAM_1833__10_146836, author = {J.P. Gr\"uson}, title = {Zur {Elementar-Geometrie.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {275--278}, publisher = {mathdoc}, volume = {10}, year = {1833}, url = {http://geodesic.mathdoc.fr/item/JRAM_1833__10_146836/} }
J.P. Grüson. Zur Elementar-Geometrie.. Journal für die reine und angewandte Mathematik, Tome 10 (1833), pp. 275-278. http://geodesic.mathdoc.fr/item/JRAM_1833__10_146836/