KOHLHASE, M.; RABE, F. QED Reloaded: Towards a Pluralistic Formal Library of Mathematical Knowledge. Journal of Formalized Reasoning, [S. l.], v. 9, n. 1, p. 201–234, 2016. DOI: 10.6092/issn.1972-5787/4570. Disponível em: https://jfr.unibo.it/article/view/4570. Acesso em: 24 apr. 2024.