Transformations of Robertson-Walker spacetimes preserving separation zero.
Lester, J.A.
Aequationes mathematicae, Tome 25 (1982), p. 216-232 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1982-01-01
EUDML-ID : urn:eudml:doc:136965 
@article{GDZPPN002034093,
     title = {Transformations of Robertson-Walker spacetimes preserving separation zero.},
     journal = {Aequationes mathematicae},
     volume = {25},
     year = {1982},
     pages = {216-232},
     zbl = {0538.53062},
     url = {http://dml.mathdoc.fr/item/GDZPPN002034093}
}

Lester, J.A. Transformations of Robertson-Walker spacetimes preserving separation zero.. Aequationes mathematicae, Tome 25 (1982) pp. 216-232. http://gdmltest.u-ga.fr/item/GDZPPN002034093/