1. Correlation Theory of Statistically Optimal Systems;Andreyev,1969
2. The Discrete Linear-Quadratic-Gaussian Stochastic Control Problem;Athans;Annals of Economic and Social Measurement,1972
3. The Matrix Minimum Principle;Athans;Information and Control,1968
4. Production Smoothing and Inventory Control;Beckmann;Ops. Res.,1961
5. Optimization Theory and Practice;Beveridge,1970