@article{JRAM_1883__94_148533, author = {E. Study}, title = {Elementare {Beweise} einiger geometrischen {S\"atze.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {233--236}, year = {1883}, volume = {94}, zbl = {15.0552.02}, url = {http://geodesic.mathdoc.fr/item/JRAM_1883__94_148533/} }