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2. Zhong T.D.: Integral Representation of Functions of Several Complex Variables and Multidimensional Singular Integral Equations. Xiamen University Press, Xiamen (1986) (in Chinese)
3. Zhong T.D.: Holomorphic Extension on Stein Manifolds. Research Report No. 10, Mittag-Leffler Institute, Stockholm (1987)
4. Qian T., Zhong T.D.: The differential integral equations on smooth closed orientable manifolds. Acta Math. Sci. 21, 1–8 (2001)
5. Chen L.P., Zhong T.D.: Regularization for high order singular integral equations. Integr Equ Oper Theory 62(1), 65–76 (2008)