On a fermat principle in general relativity. A morse theory for light rays

General Relativity and Gravitation

Volumn 28, Issue 7, 1996, Pages 855-897

  Giannoni, Fabio ^a   Masiello, Antonio ^b  

^a UNIVERSITY OF L'AQUILA   (Italy)

^b POLITECNICO DI BARI   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0030306208     PISSN: 00017701     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02104754     Document Type: Article

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