Volume 6, Issue 1 Ick-Soon Chang Eun Hwi Lee Hark-Mahn Kim On Hyers-Ulam-Rassias stability of a quadratic functional equation 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 Ick-Soon Chang Eun Hwi Lee Hark-Mahn Kim Find more articles with the same keywords Hyers-Ulam-Rassias stability quadratic functional equation Find more articles with the same subject classes 39B52 39B72