Tripled coincidence point under ϕ-contractions in ordered $G_b$-metric spaces
Subject Areas : Fixed point theory
R. Jalal Shahkoohi
1
(Department of Mathematics and Statistics, Aliabad Katoul Branch,
Islamic Azad University, Aliabad Katoul, Iran)
S. A. Kazemipour
2
(Department of Mathematics and Statistics, Aliabad Katoul Branch,
Islamic Azad University, Aliabad Katoul, Iran)
A. Rajabi Eyvali
3
(Department of Mathematics and Statistics, Aliabad Katoul Branch,
Islamic Azad University, Aliabad Katoul, Iran)
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