... derivative and its applications,” in Proceedings of theInternational Conference on Vibrating Engineering, pp. 288–291, Dalian, China, 1998.Advances in Difference Equations 1300.20.40.60.810.20.40.60.8t1u, ... τm−μ−1fmτdτ, 2.2Hindawi Publishing CorporationAdvances in Difference EquationsVolume 2011, Article ID 303472, 15 pagesdoi:10.1155/2011/303472 Research Article On Efficient Method for System ofFractional ... NEDUniversity of Engineering & Technology, Karachi-75270, Pakistan, and also the HigherEducation Commission of Pakistan for generously supporting and facilitating this research work.References1...