BRUNDAN, Joseph. An Examination of Linear Combinations of Skew-Adjoint Type Algebraic Curvature Tensors. The PUMP Journal of Undergraduate Research, [S. l.], v. 4, p. 127–140, 2021. DOI: 10.46787/pump.v4i0.2433. Disponível em: https://journals.calstate.edu/pump/article/view/2433. Acesso em: 3 jul. 2024.