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[1]L. Ciric, Solving the Banach fixed point principle for nonlinear contractions in probabilistic metric spaces. Nonlinear Analysis 72(2010), 2009-2018. [2]L. G. Huang, X. Zhang, Cone metric spaces and fixed point theorems of contractive mappings, J. Math. Anal. appl. 332(2007), 1468-1476. [3]Q. Zhang, Y. Song Fixed point theory for generalized phi-wek contractions. Appl. Math. Letters. 22(2009), 75-78.
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