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Science China Mathematics > 2019 > 62 > 9 > 1779-1792
Applied Mathematics-A Journal of Chinese Universities > 2017 > 32 > 1 > 14-26
Science China Mathematics > 2019 > 62 > 9 > 1779-1792
Applied Mathematics-A Journal of Chinese Universities > 2017 > 32 > 1 > 14-26