Lee, Yang-Hi
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Korean Journal of Mathematics Vol. 27 No. 2 (2019) - Articles
A fixed point approach to the stability of a quadratic-cubic functional equation
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Korean Journal of Mathematics Vol. 28 No. 2 (2020) - Articles
Hyers-Ulam-Rassias stability of a quadratic-cubic-quartic functional equation
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Korean Journal of Mathematics Vol. 20 No. 1 (2012) - Articles
ON THE STABILITY OF THE QUADRATIC-ADDITIVE TYPE FUNCTIONAL EQUATION IN RANDOM NORMED SPACES VIA FIXED POINT METHOD
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Korean Journal of Mathematics Vol. 19 No. 4 (2011) - Articles
ON THE STABILITY OF THE GENERALIZED QUADRATIC AND ADDITIVE FUNCTIONAL EQUATION IN RANDOM NORMED SPACES VIA FIXED POINT METHOD
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