@article{1203529254,
author = {Takagi, Hitoshi},
title = {Conformally flat Riemannian manifolds admitting a transitive group of isometries, II},
journal = {Tohoku Math. J. (2)},
volume = {27},
number = {4},
year = {1975},
pages = { 445-451},
language = {en},
url = {http://dml.mathdoc.fr/item/1203529254}
}
Takagi, Hitoshi. Conformally flat Riemannian manifolds admitting a transitive group of isometries, II. Tohoku Math. J. (2), Tome 27 (1975) no. 4, pp. 445-451. http://gdmltest.u-ga.fr/item/1203529254/