Direct and Fixed-Point Stability-Instability of Additive Functional Equation in Banach and Quasi-Beta Normed Spaces

Agilan Pasupathi, Julietraja Konsalraj, Nahid Fatima, Vallinayagam Velusamy, Nabil Mlaiki, Nizar Souayah. Direct and Fixed-Point Stability-Instability of Additive Functional Equation in Banach and Quasi-Beta Normed Spaces. Symmetry, 14(8):1700, 2022. [doi]

Abstract

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