Coupled Fixed Points for Hardy–Rogers Type of Maps and Their Applications in the Investigations of Market Equilibrium in Duopoly Markets for Non-Differentiable, Nonlinear Response... von Kabaivanov, Stanimir, Zhelinski, Vasil, Zlatanov, Boyan

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Long-Run Equilibrium in the Market of Mobile Services in the USA von Badev, Anton, Kabaivanov, Stanimir, Kopanov, Petar, Zhelinski, Vasil, Zlatanov, Boyan

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Best Proximity Points for p–Cyclic Infimum Summing Contractions von Hristov, Miroslav, Ilchev, Atanas, Kopanov, Petar, Zhelinski, Vasil, Zlatanov, Boyan

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Best Proximity Points for Ip/I–Cyclic Infimum Summing Contractions von Hristov, Miroslav, Ilchev, Atanas, Kopanov, Petar, Zhelinski, Vasil, Zlatanov, Boyan

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Contraction map sets with an external factor and weakly fixed points von Zhelinski, Vasil

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Contraction map sets with an external factor and weakly fixed points von Zhelinski, Vasil

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On the UC and UC properties and the existence of best proximity points in metric spaces von Zhelinski, Vasil, Zlatanov, Boyan

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On the UC and UC properties and the existence of best proximity points in metric spaces von Zhelinski, Vasil, Zlatanov, Boyan

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