Spivak, M. (1999). A comprehensive introduction to differential geometry (Third edition.). Publish or Perish, Inc..
Citace podle Chicago (17th ed.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Houston, Tex.: Publish or Perish, Inc., 1999.
Citace podle MLA (8th ed.)Spivak, Michael. A Comprehensive Introduction to Differential Geometry. Third edition. Publish or Perish, Inc., 1999.
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