@article{1223057733,
author = {Kobayashi, Osamu},
title = {Ricci curvature of affine connections},
journal = {Tohoku Math. J. (2)},
volume = {60},
number = {1},
year = {2008},
pages = { 357-364},
language = {en},
url = {http://dml.mathdoc.fr/item/1223057733}
}
Kobayashi, Osamu. Ricci curvature of affine connections. Tohoku Math. J. (2), Tome 60 (2008) no. 1, pp. 357-364. http://gdmltest.u-ga.fr/item/1223057733/