GENERAL RELATIVITY AND GRAVITATION, vol.26, no.12, pp.1233-1248, 1994 (Journal Indexed in SCI)
Article / Article
Title of Journal :
GENERAL RELATIVITY AND GRAVITATION
A local characterization of Schwarzschild and Reissner metrics is made by using the concepts of infinitesimal null anisotropy (or equivalently, infinitesimal isotropy) and weak affinity.