1. The characteristic locus design method;MacFarlane;Automatica,1973
2. A new approach to linear filtering and prediction problems;Kalman;Trans. ASME, J. bas. Engng,1960
3. The Mathematical Theory of Optimal Processes;Pontryagin,1962
4. On the separation theorem of stochastic control;Wonham;SIAM J. Control,1968
5. Nonlinear Automatic Control;Gibson,1963