@Misc{BVMC:702344, author = {Regiomontanus, Johannes}, title = {In Ptolemaei Magnam compositionem, quam Almagestum vocant, libri tredecim}, url = {https://www.cervantesvirtual.com/obra/in-ptolemaei-magnam-compositionem-quam-almagestum-vocant-libri-tredecim-0} }