RT Journal Article T1 Reduction of the symmetry algebra of ordinary differential equations by means of additional constraints associated to a subalgebra A1 Campoamor Stursberg, Otto-Rudwig PB Departamento de Matemática, Universidade Federal de Pernambuco, Recife-PE., Brazil SN 0716-7776 YR 2006 FD 2006 LK https://hdl.handle.net/20.500.14352/50744 UL https://hdl.handle.net/20.500.14352/50744 DS Docta Complutense RD 6 abr 2025