A condition for a perfect-fluid space-time to be a generalized Robertson-Walker space-time (vol 57, 022508, 2016)

作者:Mantica Carlo Alberto*; Molinari Luca Guido*; De Uday Chand
来源:Journal of Mathematical Physics, 2016, 57(4): 049901.
DOI:10.1063/1.4945591