%0 Journal Article %A Perrone, Domenico %T Curvature of K-contact Semi-Riemannian Manifolds %J Canadian mathematical bulletin %D 2014 %P 401-412 %V 57 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2013-016-7/ %R 10.4153/CMB-2013-016-7 %F 10_4153_CMB_2013_016_7