Quartum Problema. Ascensionem rectam cuiusuis stellageneraliter inuestigare.
Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1], GDML_Books, (1584), p. 3 / Harvested from
Access to full text 
@article{PPN555509575+dmdlog9,
     title = {Quartum Problema. Ascensionem rectam cuiusuis stellageneraliter inuestigare.},
     booktitle = {Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1]},
     series = {GDML\_Books},
     publisher = {Welack},
     address = {Witebergae},
     year = {1584},
     pages = {3},
     url = {http://dml.mathdoc.fr/item/PPN555509575+dmdlog9}
}

 (éd.). Quartum Problema. Ascensionem rectam cuiusuis stellageneraliter inuestigare., dans Regiomontani Tabvla Sinvvm, per singula minuta extensa, vniuersam sphaericorum triangulorum scientiam complectens [1], GDML_Books,  (1584), p. 3. http://gdmltest.u-ga.fr/item/PPN555509575+dmdlog9/