%0 Journal Article
%A Graham S. Hall
%A David P. Lonie
%T Holonomy and Projective Equivalence in 4-Dimensional Lorentz Manifolds
%J Symmetry, integrability and geometry: methods and applications
%D 2009
%V 5
%U http://geodesic.mathdoc.fr/item/SIGMA_2009_5_a65/
%G en
%F SIGMA_2009_5_a65