S. SARANYA; V. PANDICHELVI. Classification of an exquisite diophantine 4-tuples bestow with an order. Malaya Journal of Matematik, India, v. 9, n. 01, p. 612–615, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1091. Acesso em: 16 jul. 2024.