Linear feedback stabilization of nonlinear systems with an uncontrollable critical mode. - Jyun-Horng Fu; Eyad H. Abed (Autom., 1993)

Families of Lyapunov functions for nonlinear systems in critical cases. - Jyun-Horng Fu; Eyad H. Abed (IEEE Trans. Autom. Control., 1993)

Liapunov functions and stability criteria for nonlinear systems with multiple critical eigenvalues. - Jyun-Horng Fu (Math. Control. Signals Syst., 1994)

Bifurcation Analysis and Control of nonlinear Systems with a Nonsemisimple Zero at Criticality and Application. - Jyun-Horng Fu (Int. J. Bifurc. Chaos, 2000)