%0 Journal Article %T A New Algorithm to Accelerate Harmonic Analysis of Time Series %A Pedro A. Mart¨ªnez-Ortiz %A Jos¨¦ M. Ferr¨¢ndiz %J ISRN Applied Mathematics %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/916731 %U http://dx.doi.org/10.1155/2013/916731