@article{articlee46a80e0,
title   = {Behaviour of wavepackets of the Dirac oscillator: Dirac representation versus Foldy-Wouthuysen representation},
author = {Toyama, F M and Nogami, Y. and Coutinho, Francisco Antônio Bezerra},
year = {1997},
doi = {10.1088/0305-4470/30/7/034},
journal   = {Journal of Physics A}
}