GUN’KO, O. V. Solution of a nonlinear singular integral equation with quadratic nonlinearity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 56, n. 5, p. 695–704, 2004. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3790. Acesso em: 27 apr. 2025.