@article{PPN555509575+dmdlog27, title = {Vigesimum Secundum Problema. Utrum duae Stella utcunq propositae, in uno circulo positionis iaceant explorare.}, booktitle = {Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1]}, series = {GDML\_Books}, publisher = {Welack}, address = {Witebergae}, year = {1584}, pages = {15}, url = {http://dml.mathdoc.fr/item/PPN555509575+dmdlog27} }
(éd.). Vigesimum Secundum Problema. Utrum duae Stella utcunq propositae, in uno circulo positionis iaceant explorare., dans Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1], GDML_Books, (1584), p. 15. http://gdmltest.u-ga.fr/item/PPN555509575+dmdlog27/