@Misc{BVMC:664513,
author = {Ramón de Penyafort , Santo},
author = {Iglesia Católica.  Papa (1227-1241 : Gregorio IX)},
author = {Ausoult, Jean},
author = {Rouillé, Guillaume},
title = {Decretales epistolae summorum pontificum [Texto impreso]},
url = {https://www.cervantesvirtual.com/obra/decretales-epistolae-summorum-pontificum-texto-impreso}
}