@misc{misc2d87fd37,
title   = {On fractional order of an oscillatory system},
author = {David, Sergio Adriani and Valetim Junior, Carlos Alberto},
year = {2013},
doi = {10.1063/1.4825953},
publisher = {American Institute of Physics},
booktitle   = {International Conference of Numeral Analysis and Applied Mathematics - ICNAAM}
}