@article{PPN236020595+dmdlog83, title = {13. GAUSS an ENCKE, 1834 September 14}, booktitle = {Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1}, series = {GDML\_Books}, year = {1927}, pages = {93}, url = {http://dml.mathdoc.fr/item/PPN236020595+dmdlog83} }
(éd.). 13. GAUSS an ENCKE, 1834 September 14, dans Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1, GDML_Books, (1927), p. 93. http://gdmltest.u-ga.fr/item/PPN236020595+dmdlog83/