International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2019 > 58 > 7 > 2384-2391
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3711-3725
International Journal of Theoretical Physics > 2019 > 58 > 7 > 2384-2391
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3711-3725