LISENA, B. GLOBAL STABILITY IN THE DEGN-HARRISON MODEL. Journal of the Nigerian Mathematical Society, [S. l.], v. 36, n. 1, p. 55–70, 2017. Disponível em: https://ojs.ictp.it/jnms/index.php/jnms/article/view/87. Acesso em: 8 feb. 2023.