Referências: |
CARMO, M. do - Geometria Riemanniana, Rio de Janeiro, IMPA, Projeto Euclides, IMPA, 1979. CHEEGER, J. e EBIN, D. - Comparison Theorems in Riemannian Geometry, Amsterdam, North- Holland, 1975. GALLOT, S.; HUYLIN, D. e LAFONTAINE, J. - Riemannian Geometry, Berlin, Springer-Verlag, 1987. JOST, J. - Riemannian Geometry and Geometric Analysis, Berlin Heidelberg, New York, Springer- Verlag, 1995. SAKAI, T. - Riemannian Geometry, A.M.S., Mathematical Monographs, vol. 149. |