%0 Journal Article %A Havelková, Monika %T A geometric analysis of dynamical systems with singular Lagrangians %J Communications in Mathematics %D 2011 %P 169-178 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/COMIM_2011__19_2_a5/ %G en %F COMIM_2011__19_2_a5