BLAŽEK, J.; PECH, P. Simsonova–Wallaceova věta. Matematika–Fyzika–Informatika, [S. l.], v. 25, n. 3, p. 173–184, 2016. Disponível em: https://mfi.upol.cz/index.php/mfi/article/view/269. Acesso em: 21 lis. 2024.