Static Fluid Sphere with Pressure Equal to Energy Density: Solution to Einstein’s Field Equation with Stiff Matter Equation of State. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 16, n. 6, p. 636–638, 2019. Disponível em: https://ignited.in/index.php/jasrae/article/view/11416. Acesso em: 4 apr. 2026.