1. Nonoscillation and Oscillation: Theory of Functional Differential Equations;Agarwal,2004
2. Stability and Time-optimal Control of Hereditary Systems;Chukwu,1992
3. A technique in stability theory for delay differential equations;Lakshmikantham;Nonlinear Anal. TMA,1979
4. Stability Analysis of Nonlinear Systems;Lakshmikantham,1989
5. Delay-dependent H∞ control for uncertain fuzzy systems with time-varying delays;Liu;Nonlinear Anal. TMA,2008