REFERENCES
- KALMAN , R. E. , 1961 , Technical Report 61-1, Research Institute for Advanced Studies (RAS) , Martin Co. , Baltimore , Maryland .
- KALMAN , R. E. , and BUCY , R. S. , 1961 , J. bas. Engng , 83 , 95 .
- MEDITCH , J. S. , 1966 , Technical Report 66-108, Department of Electrical Engineering , Northwestern University , Evanston , Illinois , also, Proceedings 1967 Joint Automatic Control Conference, University of Pennsylvania, Philadelphia, Pennsylvania, June 28–30, 1967; 1967, Technical Report 67-111, Department of Electrical Engineering, Northwestern University, Evanston, Illinois .
- † Communicated by the Author.