International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2019 > 58 > 3 > 979-991
International Journal of Theoretical Physics > 2019 > 58 > 3 > 734-744
International Journal of Theoretical Physics > 2019 > 58 > 3 > 979-991
International Journal of Theoretical Physics > 2019 > 58 > 3 > 734-744