Exact Boundary Controllability on a Planar Tree-Like Network of Vibrating Strings with Dynamical Boundary Conditions. Journal of Mathematical Study, [S. l.], v. 51, n. 3, p. 227–252, 2018. DOI: 10.4208/jms.v51n3.18.01. Disponível em: https://global-sci.com/index.php/jms/article/view/13327. Acesso em: 6 dec. 2025.