@article{1103842029,
author = {Goenner, Hubert},
title = {Einstein tensor and generalizations of Birkhoff's theorem},
journal = {Comm. Math. Phys.},
volume = {16},
number = {1},
year = {1970},
pages = { 34-47},
language = {en},
url = {http://dml.mathdoc.fr/item/1103842029}
}
Goenner, Hubert. Einstein tensor and generalizations of Birkhoff's theorem. Comm. Math. Phys., Tome 16 (1970) no. 1, pp. 34-47. http://gdmltest.u-ga.fr/item/1103842029/