Volume 16, Issue 2 Kamel Bensassa Zoubir Dahmani Mehmet Zeki Sarikaya Solvability for a coupled system of 4-sequential fractional differential equations 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 Kamel Bensassa Zoubir Dahmani Mehmet Zeki Sarikaya Find more articles with the same keywords existence uniqueness Banach contraction principle Caputo derivative Find more articles with the same subject classes 30C45 39B72 39B85