KOVÁCS, Z. On a problem that was not interesting for Erdős. Revista do Instituto GeoGebra Internacional de São Paulo. ISSN 2237-9657, [S. l.], v. 10, n. 1, p. 5–18, 2021. DOI: 10.23925/2237-9657.2021.v10i1p005-018. Disponível em: https://revistas.pucsp.br/index.php/IGISP/article/view/54107. Acesso em: 3 jul. 2024.