LEISCHNER, P. Polibky kružnic: Archimedes. Matematika–Fyzika–Informatika, [S. l.], v. 24, n. 2, p. 87–94, 2015. Disponível em: https://mfi.upol.cz/index.php/mfi/article/view/191. Acesso em: 21 lis. 2024.