@article{05555824, title = {Geodesically complete Lorentzian metrics on some homogeneous 3 manifolds.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {4}, year = {2008}, doi = {10.3842/SIGMA.2008.088}, zbl = {1162.53312}, language = {en}, url = {http://dml.mathdoc.fr/item/05555824} }
Bromberg, Shirley; Medina, Alberto. Geodesically complete Lorentzian metrics on some homogeneous 3 manifolds.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 4 (2008) . doi : 10.3842/SIGMA.2008.088. http://gdmltest.u-ga.fr/item/05555824/