@article{05875534,
title = {Globally hyperbolic Lorentzian spaces with special holonomy groups.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {50},
year = {2009},
pages = {721-736},
zbl = {1224.53084},
language = {en},
url = {http://dml.mathdoc.fr/item/05875534}
}
Bazajkin, Ya.V. Globally hyperbolic Lorentzian spaces with special holonomy groups.. Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 721-736. http://gdmltest.u-ga.fr/item/05875534/