The Smale horseshoe-type chaos in the general 3-D quadratic continuous-time system with a cubic term. Nonlinear Studies, [S. l.], v. 26, n. 1, 2019. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/1684. Acesso em: 28 feb. 2026.