@article{1103858122,
author = {Geroch, Robert},
title = {Einstein algebras},
journal = {Comm. Math. Phys.},
volume = {24},
number = {2},
year = {1972},
pages = { 271-275},
language = {en},
url = {http://dml.mathdoc.fr/item/1103858122}
}
Geroch, Robert. Einstein algebras. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 271-275. http://gdmltest.u-ga.fr/item/1103858122/