Fractional Differential Calculus · Volume 6, Issue 1 Fractional calculus of variations with a generalized fractional derivative 06-04 Pages 57-72 DOI 10.7153/fdc-06-04 Downloads Short PDF Full PDF PNG Authors Hassan Askari Alireza Ansari Keywords Hilfer-Prabhakar derivative fractional calculus of variations fractional Hamiltonian equations convex optimization Subject classes 26A33 49JXX