International Journal of Theoretical Physics
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3952-3960
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3734-3745
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3952-3960
International Journal of Theoretical Physics > 2019 > 58 > 11 > 3734-3745