ARTYKOVA, J. A.; YULDASHEV, T. K. Volterra functional integral equation of the first kind with nonlinear right-hand side and variable limits of integration. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 9, p. 1285–1288, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3530. Acesso em: 6 dec. 2025.