Relativisitic non-pascalian fluid as a density contributionJusto Ospino, Daniel Suárez-Urango, Laura M. Becerra, H. Hernández and Luis A. NúñezEur. Phys. J. C, 85 4 (2025) 412DOI: https://doi.org/10.1140/epjc/s10052-025-14132-x