TY  - JOUR
AU  - Giovanni Calvaruso
AU  - Eduardo García-Río
TI  - Algebraic Properties of Curvature Operators in Lorentzian Manifolds with Large Isometry Groups
JO  - Symmetry, integrability and geometry: methods and applications
PY  - 2010
VL  - 6
UR  - http://geodesic.mathdoc.fr/item/SIGMA_2010_6_a4/
LA  - en
ID  - SIGMA_2010_6_a4
ER  -