R. Alvarado
      Exact solution of dark energy and a primordial and undisturbed magnetic field at an anisotropic cosmological space-time of Petrov type D
      Advanced Studies in Theoretical Physics, Vol. 11, 2017, no. 1, 1-8
      https://doi.org/10.12988/astp.2017.6931
Copyright © 2016 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.