1. Huang, H. L.; Tang, S. G. (1988) Boundary element method using functions of complex variables, J. Tongji University (in Chinese), 14(2), 179?191
2. Hromadka-II, T. V.; Lai, C. (1986) The Complex Variable Boundary Element Method in Engineering Analysis, Springer-Verlag
3. Tang, S. G.; Kitching, R. (1993) Elastoplastic analysis of 2D problems with hole by BEM using complex variables, Int. J. Mech. Sci., 35(7), 577?586
4. Tang, S. G.; Cao, Z. Y. (1996) Complex variable BIE method for viscoelastic analysis, J. Engng. Mechanics (in Chinese), 143?147
5. Tang, S. G.; Cao, Z. Y. (1997) Complex Variable BIE solutions for viscoplastic analysis, J Tongji University (in Chinese), 25(3), 293?299