%0 Journal Article %A P.B. Gilkey %T li.elating algebraic. properties of the curvature tensor to geometiv %J Novi Sad Journal of Mathematics %D 1999 %P 109-119 %V 29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1999_29_3a_10/ %F NSJOM_1999_29_3a_10