KOVALEV, A. M.; KRAVCHENKO, N. V.; NESPIRNYI, V. N. Necessary condition for the stabilizability of nonlinear systems with respect to a part of variables in the class of discontinuous controls. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 58, n. 10, p. 1434–1440, 2006. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3544. Acesso em: 6 dec. 2025.