%0 Journal Article %A G. Cicogna %A G. Gaeta %A S. Walcher %T Orbital Reducibility and a Generalization of Lambda Symmetries %J Journal of Lie theory %D 2013 %P 357-381 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2013_23_2_JLT_2013_23_2_a1/ %F JLT_2013_23_2_JLT_2013_23_2_a1