@article{05309261, title = {Recent applications of the theory of Lie systems in Ermakov systems.}, journal = {SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]}, volume = {4}, year = {2008}, doi = {10.3842/SIGMA.2008.031}, zbl = {1157.34029}, language = {en}, url = {http://dml.mathdoc.fr/item/05309261} }
Cariñena, José F.; de Lucas, Javier; Rañada, Manuel F. Recent applications of the theory of Lie systems in Ermakov systems.. SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only], Tome 4 (2008) . doi : 10.3842/SIGMA.2008.031. http://gdmltest.u-ga.fr/item/05309261/