@article{01408467, title = {Mean and scalar curvature homogeneous Riemannian manifolds.}, journal = {General Mathematics}, volume = {5}, year = {1997}, pages = {67-84}, zbl = {0934.53012}, language = {en}, url = {http://dml.mathdoc.fr/item/01408467} }
Bueken, P.; Gillard, J.; Vanhecke, L. Mean and scalar curvature homogeneous Riemannian manifolds.. General Mathematics, Tome 5 (1997) pp. 67-84. http://gdmltest.u-ga.fr/item/01408467/