A variational approach for the Neumann problem in some FLRW spacetimes Bereanu, Cristian Torres Villarroya, Pedro José 2025-01-17T07:35:34Z 2025-01-17T07:35:34Z 2019 journal article https://hdl.handle.net/10481/99457 https://doi.org/10.1515/ans-2018-2030 eng http://creativecommons.org/licenses/by-nc-nd/4.0/ open access Attribution-NonCommercial-NoDerivatives 4.0 Internacional