Volume 19, Issue 1 Milutin Obradović Nikola Tuneski Improved upper bound of third order Hankel determinant for Ozaki close-to-convex functions 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 Milutin Obradović Nikola Tuneski Find more articles with the same keywords analytic univalent Hankel determinant upper bound Ozaki close-to-convex Find more articles with the same subject classes 30C45 30C15