Affiliation: | [1]College of Mathematics and Software Science, Sichuan Normal University,Chengdu 610068; Institute of Applied Physics and Computational Mathematics, P.O. Box 8009. Beiiinu 100088. China [2]Institute of Applied Physics and Computational Mathematics, P.O. Box 8009, Beijing 100088, China [3]College of Mathematics and Software Science, Sichuan Normal University, Chengdu 610068, China |