Vaz,, Estelita Mappings of empty space-times based on the curvature tensor / Estelita da Graça Lopes Rodrigues Vaz

Mappings of empty space-times based on the curvature tensor / Estelita da Graça Lopes Rodrigues Vaz . - Hull : University of Hull, 1982 . - 106 p. 30 cm . -
Tese ("Doctor of Phylosophy"), University of Hull
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