REFERENCES
- COX , D. R. , and H. D. MILLER , 1965 , The Theory of Stochastic Processes ( John Wiley & Sons ).
- FELD'BAUM , A. A. , 1966 , Optimal Control Systems ( Academic Press ).
- FLORENTINE , J. J. , 1962 , J. Electron. Contr. , 13 , 263 .
- KUSHNER , H. J. , 1965 , J. math. Analysis Applic. , 11 , 78 .
- SANCHO , N. G. F. , 1965 , Int. J, Control , 2 , 509 ; 1966, Ibid., 3, 487
- SWORDER , D. D. , 1967 , USCEE Report 187 ( revised ), University of Southern California , Los Angeles .
- WONHAM , W. M. , 1963 , I.E.E.E. Convention Record , part 4
- Communicated by the Author