@article{TawfikGreiner2021,
  author    = {Abdel Nasser Tawfik and Carsten Greiner},
  title     = {Early universe thermodynamics and evolution in nonviscous and viscous strong and electroweak epochs: possible analytical solutions},
  journal   = {Entropy},
  volume    = {23},
  number    = {3, art. 295},
  pages     = {1 -- 24},
  doi       = {10.3390/e23030295},
  year      = {2021},
}