共 50 条
- [32] INVARIANT DERIVATION OF THE EULER-LAGRANGE EQUATION JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1988, 21 (21): : L1013 - L1017
- [37] A FOURIER SERIES DERIVATION OF EULER-LAGRANGE EQUATION AMERICAN MATHEMATICAL MONTHLY, 1967, 74 (05): : 587 - &
- [38] Some new discretizations of the Euler-Lagrange equation COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION, 2021, 103