SƠN, Nguyễn Hồng. Control of systems with delays. Journal of Computer Science and Cybernetics, [S. l.], v. 20, n. 1, p. 57–63, 2012. DOI: 10.15625/1813-9663/20/1/1458. Disponível em: https://jcc.vast.vn/jcc/article/view/1458. Acesso em: 5 nov. 2025.