International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2016 > 55 > 4 > 2182-2188
International Journal of Theoretical Physics > 2016 > 55 > 11 > 4731-4739
International Journal of Theoretical Physics > 2016 > 55 > 4 > 2182-2188
International Journal of Theoretical Physics > 2016 > 55 > 11 > 4731-4739