S. Barbarossa, A. Scaglione, and G. B. Giannakis, Product High- Order Ambiguity Function for Multicomonent Polynomial-Phase Signal Modeling, IEEE Trans. On Signal Processing, vol.46, issue.3, 1998.

B. Porat, Digital Processing of Random Signals, 1993.

B. Boashash and P. O. Shea, Polynomial Wigner-Ville distributions and their relationship to time-varying higher order spectra, IEEE Transactions on Signal Processing, vol.42, issue.1, pp.216-220, 1994.
DOI : 10.1109/78.258143

L. J. Stankovic, L-class of time-frequency distributions, IEEE Signal Processing Letters, vol.3, issue.1, pp.22-25, 1996.
DOI : 10.1109/97.475827

R. Baraniuk, Unitary equivalence: a new twist on signal processing, IEEE Transactions on Signal Processing, vol.43, issue.10, 1995.
DOI : 10.1109/78.469861