Volume 16, Issue 4 Choonkil Park Dong Yun Shin Jung Rye Lee An additive functional inequality in matrix normed spaces 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 Choonkil Park Dong Yun Shin Jung Rye Lee Find more articles with the same keywords Jordan-von Neumann functional equation operator space fixed point Hyers-Ulam stability additive functional inequality Find more articles with the same subject classes 47L25 47H10 39B82 39B72 46L07 39B52 39B62