1. C. K. Chui, An introduction to wavelets (Wavelet analysis and its applications), Vol. 1 (Academic Press, USA, 1992).
2. I. Daubechies, Comm. Pure Appl.Math. 41, 909 (1988).
3. Springer Lecture Notes in Math.;R A DeVore,1972
4. S. M. Comes and E. Cortina, SIAM J. Math. Anal. 26, 1386 (1995).
5. S. E. Kelley, Appl. Comput. Harmonic Anal. 3, 72 (1996).