@article{05231672, title = {Closed conformal vector fields on pseudo-Riemannian manifolds.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/36545}, zbl = {1162.53015}, language = {en}, url = {http://dml.mathdoc.fr/item/05231672} }
Catalano, D.A. Closed conformal vector fields on pseudo-Riemannian manifolds.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/36545. http://gdmltest.u-ga.fr/item/05231672/