@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/