THANG, B. Q.; HUONG, D. T. A Spherically Symmetric Solution of \(R+\lambda R^2\) Gravity. Communications in Physics, [S. l.], v. 24, n. 3S2, p. 23–28, 2014. DOI: 10.15625/0868-3166/24/3S2/4991. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/4991. Acesso em: 24 apr. 2024.