On weighted Montogomery identities for Riemann-Liouville fractional   integrals
  In this paper, we extend the weighted Montogomery identities for the Riemann-Liouville fractional integrals. We also use this Montogomery identities to establish some new Ostrowski type integral inequalities. 
Mehmet Zeki Sarikaya and Hatice Yaldiz
math.CA