DVOŘÁKOVÁ, Ľubomíra; KRUML, Stanislav; RYZÁK, David. Antipalindromic numbers. Acta Polytechnica, Prague, Czech Republic, v. 61, n. 3, p. 428–434, 2021. DOI: 10.14311/AP.2021.61.0428. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/6836. Acesso em: 15 jan. 2025.