Tham khảo Đẳng cấu thăng giáng (hình học Riemann)

  • Berger, Marcel (2003). A Panoramic View of Riemannian Geometry, tr. 696
  • Lee, J. M. (2003). Introduction to Smooth manifolds. Springer Graduate Texts in Mathematics 218. ISBN 0-387-95448-1. 
  • Lee, J. M. (1997). Riemannian Manifolds – An Introduction to Curvature. Springer Graduate Texts in Mathematics 176. New York · Berlin · Heidelberg: Springer Verlag. ISBN 978-0-387-98322-6. 
  • Vaz, Jayme; da Rocha, Roldão (2016). An Introduction to Clifford Algebras and Spinors. Oxford University Press. ISBN 978-0-19-878-292-6. 
  • Warner, Frank, (1971). Foundations of Differentiable Manifolds and Lie Groups