@article{JRAM_1865__64_147944, author = {P. HENRICI}, title = {Bemerkung zu }, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {187--192}, year = {1865}, volume = {64}, language = {de}, url = {http://geodesic.mathdoc.fr/item/JRAM_1865__64_147944/} }