@article{article9d3a5395,
title   = {On a Gromoll-Meyer type theorem in globally hyperbolic stationary spacetimes},
author = {Biliotti, Leonardo and Mercuri, Francesco and Piccione, Paolo},
year = {2008},
doi = {10.4310/CAG.2008.v16.n2.a3},
journal   = {Communications in Analysis and Geometry}
}