BC OPPENHEIM, A. V. Discrete-time signal processing. 2nd ed. [s. l.]: Prentice-Hall, 1999. ISBN 0137549202.
BC STEIN, E. M.; SHAKARCHI, R. Fourier analysis: an introduction. [s. l.]: Princeton university Press, 2003. ISBN 069111384x.
BC STRANG, G.; NGUYEN, T. Wavelets and filter banks. [s. l.]: Wellesley-Cambridge Press, 1996. ISBN 0961408871.
BC VRETBLAD, A. Fourier analysis and its applications. [s. l.]: Springer, 2003. ISBN 0387008365.