CHAKHKIEV, Magomed A.; SULYAN, Gagik S.; ZIROYAN, Manya A.; TRETYAKOV, Nikolay P.; MOUHAMMAD, Saif A. INTEGRAL EQUATION FOR THE NUMBER OF INTEGER POINTS IN A CIRCLE. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 41, p. 522–525, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7094. Acesso em: 17 oct. 2026.