On the stability of the generalized cubic set-valued functional equation. - Hahng-Yun Chu; Ahyoung Kim; Seung Ki Yoo (Appl. Math. Lett., 2014)

A Remark for the Hyers-Ulam Stabilities on n-Banach Spaces. - Jaeyoo Choy; Hahng-Yun Chu; Ahyoung Kim (Axioms, 2021)