[1]  Hadamard J. Lecture on Cauchy's Problem in Linear Partial Differential Equations. New York: Dover Publications, 1952

[2]  Gong S. Integrals of Cauchy Type on the Ball. New York: International Press Co, 1993

[3]  Wang X Q. Singular integrals and analyticity theorems in several complex variables
[D].  Sweden: Uppsala University, 1990

[4]  Qian T, Zhong T D. Transformation formula of higher order integrals. J Austral Math Soc (Seris A), 2000, 68: 155--164

[5]  Appell J M, Kalitvin A S, Zabrejko P P. Partial Integral Operators and Integro-Differential Equations. New York: Marcel Dekker, Inc, 2000

[6]  Mikhlin S G. Integral Equations and Its Applications. Shanghai: Commercial Press, 1957 (in Chinese)

[7]  Zhong T D, Chen L P. The permutation formula of singular integrals with Bochner-Martinelli kernel on stein manifolds. Acta Mathematica Scientia, 2006, 26B(4): 679--690