TAMER NABIL. Applying hybrid coupled fixed point theory to the nonlinear hybrid system of second order differential equations. Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 29, n. 3, p. 494–504, 2021. Disponível em: http://eudoxuspress.com/index.php/pub/article/view/164. Acesso em: 1 sep. 2024.