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://gsp.tricubic.dev/jpde/article/view/3989. Acesso em: 15 mar. 2026.