I. Erste Methode
Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 377 / Harvested from
@article{PPN236008730+dmdlog62,
     title = {I. Erste Methode},
     booktitle = {Theoretische Astronomie Bd. 7},
     series = {GDML\_Books},
     year = {1906},
     pages = {377},
     url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog62}
}
 (éd.). I. Erste Methode, dans Theoretische Astronomie Bd. 7, GDML_Books,  (1906), p. 377. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog62/