Krupková Olga

Publications in Math-Net.Ru

1. Lepage forms, closed 2-forms and second-order ordinary differential equations
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2007, no. 12,  3–18
2. Differential equations with constraints in jet bundles: Lagrangian and Hamiltonian systems
   
   Lobachevskii J. Math., 23 (2006),  95–150