STUPEL, Moshe; SIGLER, Avi. A proposition from algebra – how would Pythagoras phrase it?. Ohio Journal of School Mathematics, [S. l.], v. 75, n. 1, 2017. Disponível em: https://ohiomathjournal.org/index.php/OJSM/article/view/5471. Acesso em: 6 may. 2024.