Oliveira, Edmundo Capelas deMachado, J. A. Tenreiro2015-01-282015-01-2820141024-123X1563-5147http://hdl.handle.net/10400.22/5497This paper presents a review of definitions of fractional order derivatives and integrals that appear in mathematics, physics, and engineering.engA Review of Definitions for Fractional Derivatives and Integraljournal article10.1155/2014/238459