1. Control system analysis and design via the “second method” of Lyapunov (continuous-time systems);Kalman;American Society of Mechanical Engineers Journal of Basic Engineering,1960
2. Control system analysis and design via the “second method” of Lyapunov (discrete-time systems);Kalman;American Society of Mechanical Engineers Journal of Basic Engineering,1960
3. Modern Control Engineering;Ogata,1970
4. Mechanical Vibration;Den Hartog,1947
5. A method for solving algebraic equations using an automatic computer;Muller;Mathematical Tables, Washington,1956