@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/