@article{PPN235999628+dmdlog56, title = {Pentagramma mirificum}, booktitle = {Analysis Bd. 3}, series = {GDML\_Books}, year = {1866}, pages = {481}, url = {http://dml.mathdoc.fr/item/PPN235999628+dmdlog56} }
(éd.). Pentagramma mirificum, dans Analysis Bd. 3, GDML_Books, (1866), p. 481. http://gdmltest.u-ga.fr/item/PPN235999628+dmdlog56/