BUONG, N. OPTIMAL CONTROL FOR SYSTEMS GOVERNED BY DISCONTINUOUS NONLINEARITY. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 4, p. 289–294, 1999. DOI: 10.5556/j.tkjm.30.1999.4234. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4234. Acesso em: 7 may. 2024.