NESBET, R. Weyl conformal symmetry for gravitation and cosmology. Annals of Mathematics and Physics, [S. l.], v. 5, n. 2, p. 100–102, 2022. DOI: 10.17352/amp.000047. Disponível em: https://www.mathematicsgroup.com/amp/article/view/AMP-5-147. Acesso em: 7 aug. 2025.