Fractional Differential Calculus · Volume 2, Issue 2 Opial type integral inequalities for fractional derivatives II 02-11 Pages 139-155 DOI 10.7153/fdc-02-11 Downloads Short PDF Full PDF PNG Authors Ghulam Farid Josip Pečarić Keywords Opial type inequalities Cauchy means monotonicity Riemann-Liouville fractional integral Caputo fractional derivative Subject classes 26D15 26A33