FATIMAH, S. PARAMETRIC EXCITATION IN A SELF-EXCITED THREE-DEGREES OF FREEDOM PROBLEM. Journal of the Indonesian Mathematical Society, [S. l.], v. 15, n. 2, p. 97–104, 2012. DOI: 10.22342/jims.15.2.48.97-104. Disponível em: https://jims-a.org./index.php/jimsa/article/view/48. Acesso em: 3 dec. 2024.