RAGOSTA, Kaitlin. Canonical Expressions of Algebraic Curvature Tensors. The PUMP Journal of Undergraduate Research, [S. l.], v. 3, p. 52–61, 2020. DOI: 10.46787/pump.v3i0.2253. Disponível em: https://journals.calstate.edu/pump/article/view/2253. Acesso em: 3 jul. 2024.