1. Frequency domain stability criteria;Brockett;IEEE Trans. Automat. Control,1965
2. Frequency domain stability criteria;Brockett;IEEE Trans. Automat. Control,1965
3. Absolute stability of nonlinear control systems;Gantmacher,1966
4. The Stability of Nonlinear Systems with a Nonunique Equilibrium State;Gelig,1978
5. Lyapunov functions for the problem of Lur'e in Automatic Control;Kalman,1963