2012 Fourth International Conference on Computational and Information Sciences Computational and Information Sciences (ICCIS), 2012 Fourth International Conference on. :710-713 Aug, 2012
Journal of Physics. A. Mathematical and Theoretical (J. Phys. A) (20210101), 54, no.~1, Paper No 015305, 10~pp. ISSN: 1751-8113 (print).eISSN: 1751-8121.