Note on ``A Spectrum Factorization Method for the Calculation of Nonlinear Filters of the Volterra Type'' of Katzenelson and Gould

Note on ``A Spectrum Factorization Method for the Calculation of Nonlinear Filters of the Volterra Type'' of Katzenelson and Gould E. Bregstone 211-213 Information and Control April 1966 9 2 db/journals/iandc/iandc9.html#Bregstone66