On Necessary and Sufficient Conditions for L^p-estimates of Riesz Transforms Associated to Elliptic Operators on R^n and Related Estimates (Memoirs of the American Mathematical Society)

Singular integrals Littlewood-Paley theory Calderón-Zygmund operator Elliptic operators Semigroups Operadores Semigrupos Singuliere integralen Elliptische differentiaalvergelijkingen Semigroepen