共 50 条
- [43] A New Variational Principle for a Nonlinear Dirac Equation on the Schwarzschild Metric Communications in Mathematical Physics, 2000, 213 : 249 - 266
- [47] Nonlinear perturbation theory based on the variational principle: Model examples IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY-PRIKLADNAYA NELINEYNAYA DINAMIKA, 2018, 26 (06): : 82 - 98
- [49] A variational principle for nonlinear LC circuits with arbitrary interconnection structure NONLINEAR CONTROL SYSTEMS 2001, VOLS 1-3, 2002, : 61 - 66