@article{05695261, title = {New examples of Einstein metrics in dimension four.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2010}, year = {2010}, doi = {10.1155/2010/716035}, zbl = {1193.53113}, language = {en}, url = {http://dml.mathdoc.fr/item/05695261} }
Ghanam, Ryad. New examples of Einstein metrics in dimension four.. International Journal of Mathematics and Mathematical Sciences, Tome 2010 (2010) . doi : 10.1155/2010/716035. http://gdmltest.u-ga.fr/item/05695261/