@article{PPN236008730+dmdlog97, title = {GAUSS an OLBERS 1814 April 23 .}, booktitle = {Theoretische Astronomie Bd. 7}, series = {GDML\_Books}, year = {1906}, pages = {422}, url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog97} }
(éd.). GAUSS an OLBERS 1814 April 23 ., dans Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 422. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog97/