Wen, G.C. and Begehr, H. (1990) Boundary Value Problems for Elliptic Equations and Systems. Longman Scientific and Technical Company, Harlow.
 Wen, G.C. (1992) Conformal Mappings and Boundary Value Problems, Translations of Mathematics Monographs 106. American Mathematical Society, Providence.
 Wen, G.C., Tai, C.W. and Tian, M.Y. (1996) Function Theoretic Methods of Free Boundary Problems and Their Applications to Mechanics. Higher Education Press, Beijing (Chinese).
 Wen, G.C. (1986) Linear and Nonlinear Elliptic Complex Equations. Shanghai Scientific and Technical Publishers, Shanghai (Chinese).
 Wen, G.C. (1999) Approximate Methods and Numerical Analysis for Elliptic Complex Equations. Gordon and Breach, Amsterdam.
 Wen, G.C. (1999 Linear and Nonlinear Parabolic Complex Equations. World Scientific Publishing Co., Singapore City.
 Wen, G.C. and Zou, B.T. (2002) Initial-Boundary Value Problems for Nonlinear Parabolic Equations in Higher Dimensional Domains. Science Press, Beijing.
 Wen, G.C. (2002) Linear and Quasilinear Complex Equations of Hyperbolic and Mixed Type. Taylor & Francis, London. http://dx.doi.org/10.4324/9780203166581
 Huang, S., Qiao, Y.Y. and Wen, G.C. (2005) Real and Complex Clifford Analysis. Springer Verlag, Heidelberg.
 Wen, G.C. (2008) Elliptic, Hyperbolic and Mixed Complex Equations with Parabolic Degeneracy. World Scientific, Singapore City.
 Wen, G.C., Chen, D.C. and Xu, Z.L. (2008) Nonlinear Complex Analysis and its Applications, Mathematics Monograph Series 12. Science Press, Beijing.
 Wen, G.C. (2010) Recent Progress in Theory and Applications of Modern Complex Analysis. Science Press, Beijing.