共 50 条
- [42] New order reductions for Euler-Lagrange equations SPT 2004: SYMMETRY AND PERTURBATION THEORY, 2005, : 236 - 243
- [43] Invariant Euler–Lagrange Equations and the Invariant Variational Bicomplex Acta Applicandae Mathematica, 2003, 76 : 137 - 193
- [48] Fractional-order Euler–Lagrange equations and formulation of Hamiltonian equations Nonlinear Dynamics, 2009, 58 : 385 - 391
- [49] Reduction of Euler-Lagrange equations in gauge theories INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2003, 18 (12): : 2077 - 2084