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MLA

Shyr-Shen Yu, and Huei-Jan Shyr. Acta Mathematica Hungarica, vol. 78, Jan. 1998, pp. 251–65. EBSCOhost, https://doi.org/10.1023/a:1006586923902.

APA

Shyr-Shen Yu, & Huei-Jan Shyr. (1998). Acta Mathematica Hungarica, 78, 251–265. https://doi.org/10.1023/a:1006586923902

Chicago

Shyr-Shen Yu, and Huei-Jan Shyr. 1998. Acta Mathematica Hungarica 78 (January): 251–65. doi:10.1023/a:1006586923902.