Wang, Y. C. (2017). 多維複空間中緊緻集合多項式凸性的研究: 凱琳引理的一些應用 [master's thesis, National Tsing Hua University]. Airiti Library. https://www.airitilibrary.com/Article/Detail?DocID=U0016-0401201815563902
Chen, C. M., & Chang, T. H. (2010). A Common Fixed Point Theorem for The ψ-Contractive Mapping. Tamkang Journal of Mathematics, 41(1), 25-30. https://www.airitilibrary.com/Article/Detail?DocID=00492930-201003-201012230068-201012230068-25-30