A. Demenko, und R. Wojciechowski. COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 28 (3):
691–699(Mai 2009)
M. Clemens, M. Helias, T. Steinmetz, und G. Wimmer. Journal of Computational and Applied Mathematics, 215 (2):
328–338(2008)Proceedings of the Third International Conference on Advanced Computational Methods in Engineering (ACOMEN 2005)..