*Z. C. Li, H. T. Huang, J. T. Chen and Y. M. Wei, 2010, Effective condition number and its applications, Computing, Vol.89, pp.87-112. (proof), (final)

*Z. C. Li, M. G. Lee and J. T. Chen, 2011, New series expansions for fundamental solutions of linear elastostatics in 2D, Computing, Vol.92, pp.199-224.(proof), (final)