Fuzzy Stability of a General Quadratic Functional Equation. - Sun Sook Jin; Yang-Hi Lee (Adv. Fuzzy Syst., 2011)

Fuzzy Stability of a Quadratic-Additive Functional Equation. - Sun Sook Jin; Yang-Hi Lee (Int. J. Math. Math. Sci., 2011)

A Fixed Point Approach to the Stability of the Cauchy Additive and Quadratic Type Functional Equation. - Sun Sook Jin; Yang-Hi Lee (J. Appl. Math., 2011)

Fuzzy Stability of an n-Dimensional Quadratic and Additive Functional Equation. - Yang-Hi Lee; Soon-Mo Jung (Adv. Fuzzy Syst., 2012)

Stability of an n-Dimensional Mixed-Type Additive and Quadratic Functional Equation in Random Normed Spaces. - Yang-Hi Lee; Soon-Mo Jung (J. Appl. Math., 2012)

On an n-dimensional mixed type additive and quadratic functional equation. - Yang-Hi Lee; Soon-Mo Jung; Michael Th. Rassias (Appl. Math. Comput., 2014)

On the Generalized Hyers-Ulam Stability of an n-Dimensional Quadratic and Additive Type Functional Equation. - Yang-Hi Lee (J. Appl. Math., 2014)

General Quadratic-Additive Type Functional Equation and Its Stability. - Yang-Hi Lee; Soon-Mo Jung (Int. J. Math. Math. Sci., 2016)

Generalized Hyers-Ulam Stability of the Additive Functional Equation. - Yang-Hi Lee; Gwang Hui Kim (Axioms, 2019)

A Uniqueness Theorem for Stability Problems of Functional Equations. - Soon-Mo Jung; Yang-Hi Lee; Jaiok Roh (Symmetry, 2024)