@Misc{BVMC:773153, author = {Espinosa, Pedro, activo}, title = {Tractatus proportionum editus a Petro a spinosa artium magistro, simul cum duabus questionib[us] philosophie quarum vna actionem vestigat a proportione maioris inequalitatis, secunda vero questionem de antiparistasi vbi ferme totu[m] fundamentum metheororu[m] continentur ...}, url = {https://www.cervantesvirtual.com/obra/tractatus-proportionum-editus-a-petro-a-spinosa-artium-magistro-simul-cum-duabus-questionibus-philosophie-quarum-vna-actionem-vestigat-a-proportione-maioris-inequalitatis-secunda-vero-questionem-de-antiparistasi-vbi-ferme-totum-fundamentum-metheororum-continentur-} }