@article{PPN236008730+dmdlog12, title = {Sectio III. Relationes inter locos plures in orbita}, booktitle = {Theoretische Astronomie Bd. 7}, series = {GDML\_Books}, year = {1906}, pages = {100}, url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog12} }
(éd.). Sectio III. Relationes inter locos plures in orbita, dans Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 100. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog12/