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Cao Ting-bin, Yi Hong-xun, Xu Hong-yan, “On the multiple values and uniqueness of meromorphic functions on annuli”, Comput. Math. Appl., 58 (2009), 1457–1465
Xu Hong-yan, Zheng Xiu-Min, Wang Hua,, “On meromorphic functions for sharing
two sets and three sets in m-punctured complex plane”, Open Math., 14 (2016), 913–924
