@article{1200772084, author = {Koiso, Norihito}, title = {On the second derivative of the total scalar curvature}, journal = {Osaka J. Math.}, volume = {16}, number = {1}, year = {1979}, pages = { 413-421}, language = {en}, url = {http://dml.mathdoc.fr/item/1200772084} }
Koiso, Norihito. On the second derivative of the total scalar curvature. Osaka J. Math., Tome 16 (1979) no. 1, pp. 413-421. http://gdmltest.u-ga.fr/item/1200772084/