ZHAO, Weijing; LI, Hongxing; FENG, Yuming. SIMPLIFIED MARGINAL LINEARIZATION METHOD IN AUTONOMOUS LIENARD SYSTEMS . Italian Journal of Pure and Applied Mathematics, [S. l.], v. 30, p. 167–178, 2013. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6093. Acesso em: 18 jul. 2026.