Gotay, Mark J.; Nester, James M. Presymplectic Lagrangian systems. II: The second-order equation problem. (English) Zbl 0453.58016 Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 32, 1-13 (1980). MSC: 37J99 70H03 53C15 × Cite Format Result Cite Review PDF Full Text: Numdam EuDML
Gotay, Mark J.; Nester, James M. Presymplectic Lagrangian systems. I: The constraint algorithm and the equivalence theorem. (English) Zbl 0414.58015 Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 30, 129-142 (1979). MSC: 37J99 53C15 58A05 58A10 70Hxx × Cite Format Result Cite Review PDF Full Text: Numdam EuDML