Volume 4, Issue 2 Gwang Hui Kim On the Stability of Functional Equations with Square-Symmetric Operation Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Gwang Hui Kim Find more articles with the same keywords functional equation homogeneous function Hyers-Ulam stability (modified) Hyers-Ulam-Rassias stability Find more articles with the same subject classes 39B52 39B72 39B82