Equilibria of Initial-boundary Value Problem for U_t=(u_m)_{xx}+(a-x^2)u. Journal of Partial Differential Equations, [S. l.], v. 1, n. 2, p. 82–96, 1988. Disponível em: https://global-sci.com/index.php/jpde/article/view/3607. Acesso em: 6 dec. 2025.