Global Approximately Controllability and Nite Dimensional Exact Controllability for Parabolic Equation. Journal of Partial Differential Equations, [S. l.], v. 15, n. 1, p. 69–77, 2002. Disponível em: https://global-sci.com/index.php/jpde/article/view/3989. Acesso em: 6 dec. 2025.