LI, Jun Min Min; HE, Chao. Convergence analysis of estimated parameters for parametric nonlinear strict feedback system with unknown control direction. Nonlinear Analysis: Modelling and Control, [S. l.], v. 20, n. 4, p. 469–486, 2015. DOI: 10.15388/NA.2015.4.1. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/13505.. Acesso em: 31 jul. 2024.