Applied Mathematics-A Journal of Chinese Universities
Applied Mathematics-A Journal of Chinese Universities > 2009 > 24 > 2 > 157-166
Applied Mathematics-A Journal of Chinese Universities > 2009 > 24 > 3 > 282-290
Applied Mathematics-A Journal of Chinese Universities > 2009 > 24 > 2 > 157-166
Applied Mathematics-A Journal of Chinese Universities > 2009 > 24 > 3 > 282-290