Fractional Differential Calculus · Volume 2, Issue 1 Opial type integral inequalities for fractional derivatives 02-03 Pages 31-54 DOI 10.7153/fdc-02-03 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