TY - JOUR AU - Havelková, Monika TI - A geometric analysis of dynamical systems with singular Lagrangians JO - Communications in Mathematics PY - 2011 SP - 169 EP - 178 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/COMIM_2011__19_2_a5/ LA - en ID - COMIM_2011__19_2_a5 ER -