International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2019 > 58 > 1 > 308-322
International Journal of Theoretical Physics > 2019 > 58 > 3 > 979-991
International Journal of Theoretical Physics > 2019 > 58 > 1 > 308-322
International Journal of Theoretical Physics > 2019 > 58 > 3 > 979-991