Hyers-Ulam Stability of Functional Equation Deriving from Quadratic Mapping in Non-Archimedean <math xmlns="http://www.w3.org/1998/Math/MathML" id="M1"> <mfenced open="(" close=")"> <mrow> <mi>n</mi> <mo>,</mo> <mi>β</mi> </mrow> </mfenced> </math>-Normed Spaces
Journal of function spaces