Referências: |
Dajczer, M. Submanifolds and Isometric Immersions, Houston, Publish or Pr- ish, Inc., 1990.
Jost, J. Riemannian Geometry and Geometric Analysis, Berlin Heidelberg, New York, Springer-Verlag, 1955.
Sakai, T. Riemannian Geometry, A M.S., Mathematical Monographs, vol. 149.
Spivak, M. A Comprehensive Introduction to Differential Geometry, Berkeley, Publish or Perish, 1970-75.
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