R. Alvarado
      Exact cosmological solutions of isobaric scalar fields in space-times: anisotropic of the type of Petrov D and isotropic homogeneous
      Advanced Studies in Theoretical Physics, Vol. 12, 2018, no. 7, 319-333
      https://doi.org/10.12988/astp.2018.8937

Copyright © 2018 R. Alvarado. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.