Volume 14, Issue 2 Youssef Aribou Hajira Dimou Samir Kabbaj Hyperstability of a mixed type cubic-quartic functional equation in ultrametric 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 Youssef Aribou Hajira Dimou Samir Kabbaj Find more articles with the same keywords stability hyperstability ultrametric space cubic functional equation Find more articles with the same subject classes 39B82 39B52 47H10