GAUSS an SCHUMACHER, 1845 Juni 18
Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1, GDML_Books, (1927), p. 395 / Harvested from
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@article{PPN236020595+dmdlog293,
     title = {GAUSS  an SCHUMACHER, 1845 Juni 18},
     booktitle = {Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1},
     series = {GDML\_Books},
     year = {1927},
     pages = {395},
     url = {http://dml.mathdoc.fr/item/PPN236020595+dmdlog293}
}

 (éd.). GAUSS  an SCHUMACHER, 1845 Juni 18, dans Nachtraege zur Physik, Chronologie und Astronomie Bd.11, Abt.1, GDML_Books,  (1927), p. 395. http://gdmltest.u-ga.fr/item/PPN236020595+dmdlog293/