Invariance of second order ordinary differential equations under two-dimensional affine subalgebras of Ermakov-Pinney Lie algebra Cariñena, José F. Güngör, Faruk Torres Villarroya, Pedro José 2025-01-17T07:40:43Z 2025-01-17T07:40:43Z 2020 journal article https://hdl.handle.net/10481/99459 https://doi.org/10.1016/j.na.2020.111947 eng http://creativecommons.org/licenses/by-nc-nd/3.0/ open access Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License