Boundedness of the generalized 4-D hyperchaotic model containing Lorenz-Stenflo and Lorenz-Haken systems. Nonlinear Studies, [S. l.], v. 19, n. 4, 2012. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/681. Acesso em: 17 oct. 2025.