作者：Alsulami Hamed H; Karapinar Erdal*; Khojasteh Farshid; Roldan Lopez de Hierro Antonio Francisco
来源：Discrete Dynamics in Nature and Society, 2014, 2014: 269286.
DOI：10.1155/2014/269286
摘要
We investigate the existence and uniqueness of a fixed point of an operator via simultaneous functions in the setting of complete quasi-metric spaces. Our results generalize and improve several recent results in literature.
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