ZERRIK, el hassan; BENHADID, S.; REKKAB, S. Sensors and boundary gradient observability of hyperbolic systems. INTERNATIONAL JOURNAL OF MANAGEMENT & INFORMATION TECHNOLOGY, [S. l.], v. 4, n. 3, p. 295–316, 2013. DOI: 10.24297/ijmit.v4i3.768. Disponível em: https://rajpub.com/index.php/ijmit/article/view/768. Acesso em: 18 may. 2024.