A variant of Hörmander's conditionfor singular integrals

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Department of Mathematical Sciences, Northern Illinois University, DeKalb, Illinois 60115, U.S.A.
Department of Mathematics, Kansas State University, Manhattan, Kansas 66506, U.S.A.

A. P. Calderón and A. Zygmund, On the existence of certain singular integrals, Acta Math. 88 (1952), 85-139.
R. Courant and D. Hilbert, Methods of Mathematical Physics, Volume I, Wiley, 1989 (reprint of 1953 edition).
K. Davis and Y. Chang, Lectures on Bochner-Riesz Means, London Math. Soc. Lecture Note Ser. 114, Cambridge Univ. Press, 1987.
L. Hörmander, Estimates for translation invariant operators in $L^{p}$ spaces, Acta Math. 104 (1960), 93-140.
E. M. Stein, Singular Integrals and Differentiability Properties of Functions, Princeton Univ. Press, 1970.