WASET
    Pyotr Tsyba and  Olga Razina and  Ertan Güdekli and  Ratbay Myrzakulov,  Conformal Invariance in F (R, T) Gravity.   journal   = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 98(2). 107 - 110
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10000996.