SALEEM, Muhammad Umer; FARMAN, Muhammad; MERAJ, M. A. Stability Analysis of Sorensen’s Model for Controllability and Observability: Stability Analysis of Sorensen’s Model. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, [S. l.], v. 54, n. 2, p. 133–145, 2017. Disponível em: http://ppaspk.org/index.php/PPAS-B/article/view/391. Acesso em: 4 dec. 2025.