1. “An Exposition of Adaptive Control,”;WESTCOTT,1962
2. “Calculus of Variations.”;GELFAND,1963
3. A general problem in the calculus of variations with applications to paths of least time;HESTENES,1950
4. “The Mathematical Theory of Optimal Processes.”;PONTRYAGIN,1962
5. “Introduction to Functional Analysis.”;TAYLOR,1958