%0 Journal Article %A Havelková, Monika %T Symmetries of a dynamical system represented by singular Lagrangians %J Communications in Mathematics %D 2012 %P 23-32 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_2012__20_1_a3/ %G en %F COMIM_2012__20_1_a3