Qing Hui Wassim M. Haddad 0001 Sanjay P. Bhat Semistability, Finite-Time Stability, Differential Inclusions, and Discontinuous Dynamical Systems Having a Continuum of Equilibria. 2465-2470 2009 54 IEEE Trans. Autom. Control. 10 https://doi.org/10.1109/TAC.2009.2029397 db/journals/tac/tac54.html#HuiHB09