KAUSADIKAR, Alka S. QUALITATIVE ANALYSIS OF NONLINEAR ORDINARY DIFFERENTIAL EQUATIONS. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 2, n. 4, p. 79–82, 2014. Disponível em: https://www.jgrma.com/index.php/jgrma/article/view/202. Acesso em: 10 may. 2025.