@article{01512155,
title = {Relating algebraic properties of the curvature tensor to geometry.},
journal = {Novi Sad Journal of Mathematics},
volume = {29},
year = {1999},
pages = {109-119},
zbl = {0952.53014},
language = {en},
url = {http://dml.mathdoc.fr/item/01512155}
}
Gilkey, Peter B. Relating algebraic properties of the curvature tensor to geometry.. Novi Sad Journal of Mathematics, Tome 29 (1999) pp. 109-119. http://gdmltest.u-ga.fr/item/01512155/