%0 Journal Article %T Comments on “A discrete method to solve fractional optimal control problems” (Nonlinear Dyn, DOI:10.1007/s11071-014-1378-1) %A Rakhshan, Seyed Ali %A Effati, Sohrab %A Vahidian Kamyad, Ali %J Nonlinear Dynamics %@ 0924-090X %D 2016