%0 Journal Article %A Malgorzata Glogowska %T Semi-riemannian Manifolds Whose Weyl Tensor is a Kulkarni--nomizu Square %J Publications de l'Institut Mathématique %D 2002 %P 95 %V _N_S_72 %N 86 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2298/PIM0272095G/ %R 10.2298/PIM0272095G %G en %F 10_2298_PIM0272095G