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Continue to ChatCOUPLED FIXED POINT THEOREM FOR MULTI-VALUED MAPPING VIA GENERALIZED CONTRACTION IN PARTIALLY ORDERED METRIC SPACES WITH APPLICATIONS - https://avesis.yyu.edu.tr/publication/details/70cca455-f923-4f89-95c1-a86c318e4fc8/coupled-fixed-point-theorem-for-multi-valued-mapping-via-generalized-contraction-in-partially-ordered-metric-spaces-with-applications