Referências: |
1. do Carmo, M. P., Geometria Riemanniana, Projeto Euclides, IMPA, 5a. Edição, 20152. Spivak, M., A comprehensive introduction to Differential Geometry, Publish or Perish3. Lee, J. M., Riemannian Manifolds – An introduction to curvature, Graduate Texts in Mathematics, 176, Springer4. O’Neill, M.J., Semi-Riemannian geometry with applications to relativity, Academic Press, New York |