@Book{BVMC:616476, author = {Juan XXI, Papa}, title = {Summule Petri Hispani nunc recenter correcte ac bone solideq[ue] logice docume[n]tis illustrate septemq[ue] libellis distincte cu[m] preclarissimo commentario}, url = {https://www.cervantesvirtual.com/obra/summule-petri-hispani-nunc-recenter-correcte-ac-bone-solideque-logice-documentis-illustrate-septemque-libellis-distincte-cum-preclarissimo-commentario} }