Applied Mathematics. A Journal of Chinese Universities. Series A. Gaoxiao Yingyong Shuxue Xuebao (Appl. Math. J. Chinese Univ. Ser. A) (20240101), 39, no.~2, 127-140. ISSN: 1000-4424 (print).
Applied Mathematics. A Journal of Chinese Universities. Series A. Gaoxiao Yingyong Shuxue Xuebao (Appl. Math. J. Chinese Univ. Ser. A) (20210101), 36, no.~2, 148-160. ISSN: 1000-4424 (print).