@article{PPN236008730+dmdlog13, title = {Sectio IV. Relationes inter locos plures in spatio}, booktitle = {Theoretische Astronomie Bd. 7}, series = {GDML\_Books}, year = {1906}, pages = {148}, url = {http://dml.mathdoc.fr/item/PPN236008730+dmdlog13} }
(éd.). Sectio IV. Relationes inter locos plures in spatio, dans Theoretische Astronomie Bd. 7, GDML_Books, (1906), p. 148. http://gdmltest.u-ga.fr/item/PPN236008730+dmdlog13/