@article{PPN236020595+dmdlog323, title = {GAUSS an OLBERS, 1838 April 5}, booktitle = {Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1}, series = {GDML\_Books}, year = {1927}, pages = {441}, url = {http://dml.mathdoc.fr/item/PPN236020595+dmdlog323} }
(éd.). GAUSS an OLBERS, 1838 April 5, dans Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1, GDML_Books, (1927), p. 441. http://gdmltest.u-ga.fr/item/PPN236020595+dmdlog323/