@article{PPN236008730+dmdlog50, title = {GAUSS an OLBERS 1815 Januar 13}, booktitle = {Theoretische Astronomie Bd. 7}, series = {GDML\_Books}, year = {1906}, pages = {335}, url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog50} }
(éd.). GAUSS an OLBERS 1815 Januar 13, dans Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 335. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog50/