Volume 10, Issue 3 Saïd Abbas Mouffak Benchohra Soufyane Bouriah Juan J. Nieto Periodic solutions for nonlinear fractional differential systems 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 Saïd Abbas Mouffak Benchohra Soufyane Bouriah Juan J. Nieto Find more articles with the same keywords fractional differential equation existence uniqueness periodic solution Banach contraction principle Schaefer's fixed point theorem Find more articles with the same subject classes 26A33