Study Conditions of Center of Gravity for Trivial Solution to Semi Linear Differantial Equation of Third Order in The One Critical Cases. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 10, n. 2, p. 13–23, 2013. DOI: 10.33899/csmj.2013.163469 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36462. Acesso em: 25 jun. 2026.