BENABDALLAH, A.; HAMMAMI, M. A. Circle and Popov Criterion for Output Feedback Stabilization of Uncertain Systems. Nonlinear Analysis: Modelling and Control, [S. l.], v. 11, n. 2, p. 137–148, 2006. DOI: 10.15388/NA.2006.11.2.14754. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/14754. Acesso em: 19 apr. 2025.