International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2019 > 58 > 2 > 391-398
International Journal of Theoretical Physics > 2019 > 58 > 5 > 1456-1469
International Journal of Theoretical Physics > 2019 > 58 > 9 > 3081-3090
International Journal of Theoretical Physics > 2019 > 58 > 10 > 3414-3435
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3746-3764