Bibliografia
Principal
- Geometria Riemanniana: M. P. do Carmo 1979 IMPA
- An Introduction to Differentiable Manifolds and Riemannian Geometry: W. M. Boothby 1986 Academic Press
- Differential Forms and Applications: M. P. do Carmo 1994 Springer
- An Introduction to Riemannian Geometry: L. Godinho and J. Natário 2014 Springer