1. P. Boggiatto, G. De Donno and A. Oliaro, Weyl Quantization of Lebesgue spaces, to appear.
2. P. Boggiatto, E. Buzano and L. Rodino, Hypoellipticity and spectral theory, Akademie Verlag, Berlin, 1996.
3. L. Cohen, Time-frequency distributions — a review, Proc. IEEE, 77(7) (1989), 941–981.
4. L. Cohen, Time-Frequency Analysis, Prentice Hall, New Jersey, 1995.
5. L. Cohen, The uncertainty principle for the short-time Fourier transform, Proc. Int. Soc. Opt. Eng. 22563 (1995), 80–90.