1. H. D’Angelo, Linear Time-Varying Systems: Analysis and Synthesis, Allyn and Bacon, Inc. Boston, 1970.
2. D. G. Tucker, Circuits with Periodically-Varying Parameters, Van Nostrand Co., Inc., London, 1964.
3. N. K. Bose, Applied Multidimensional Systems Theory, Van Nostrand Reinhold Co., New York, 1982.
4. J. W. Goodman, ‘Operations Achievable with Coherent Optical Information Processing Systems’,Proc. of IEEE, January 1977, 65, pp. 29–38.
5. R. Bamler and J. Hofer-Alfeis, ‘Optical Restoration for Rotation Blur by Sequence Deconvolution’, Tenth Int. Optical Comp. Conf., M.I.T., Cambridge, MA, April 1983, pp.146–149.