Volume 6, Issue 1 Hassan Askari Alireza Ansari Fractional calculus of variations with a generalized fractional derivative 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 Hassan Askari Alireza Ansari Find more articles with the same keywords Hilfer-Prabhakar derivative fractional calculus of variations fractional Hamiltonian equations convex optimization Find more articles with the same subject classes 26A33 49JXX