ČERIN, Z. Pencils of Euler Triples, II. Sarajevo Journal of Mathematics, [S. l.], v. 8, n. 2, p. 179–192, 2024. DOI: 10.5644/SJM.08.2.02. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/258. Acesso em: 15 oct. 2024.