GAUSS an BESSEL 1812 Mai 5 .
Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 421 / Harvested from
@article{PPN236008730+dmdlog93,
     title = {GAUSS an BESSEL 1812 Mai 5 .},
     booktitle = {Theoretische Astronomie Bd. 7},
     series = {GDML\_Books},
     year = {1906},
     pages = {421},
     url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog93}
}
 (éd.). GAUSS an BESSEL 1812 Mai 5 ., dans Theoretische Astronomie Bd. 7, GDML_Books,  (1906), p. 421. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog93/