Calderón—Zygmund Operators on the Predual of a Morrey Space

We consider the boundedness of Calderon-Zygmund operators from H^p,ψ(R^n)(the predual of a Morrey space) to h^p,ψ(R^n)(the local version of H^p,ψ).We show that Calderon's commutator is bounded from H^p,ψ to h^p,ψ.