1. Adams, R.A., Fournier, J.J.F.: Sobolev Spaces. Pure and Applied Mathematics, V, vol 140, 2nd edn. Elsevier/Academic Press, New York (2003)
2. Auscher, P., Tchamitchian, P.: Square root problem for divergence operators and related topics. Astérisque 249, viii+172 (1998)
3. Burenkov, V.I.: Sobolev Spaces on Domains. Teubner-Texte zur Mathematik [Teubner Texts in Mathematics], vol. 137, 312pp. B. G. Teubner Verlagsgesellschaft mbH, Stuttgart (1998)
4. Cannone, M.: Ondelettes, Paraproduits et Navier–Stokes, Diderot Editeur. Arts et Sciences, Paris/New York/Amsterdam (1995)
5. David, G.: Wavelets and Singular Integrals on Curves and Surfaces. Lecture Notes in Mathematics, vol. 1465. Springer, Berlin/New York (1991)