Bifurcation of Solution in Singularly Perturbed ODEs by Using Lyapunov Schmidt Reduction. University of Thi-Qar Journal of Science, [S. l.], v. 6, n. 4, p. 145–152, 2019. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/80.. Acesso em: 3 jul. 2024.