Yuriy V. Sereda, Peter J. Ortoleva, “Variational methods for time-dependent classical many-particle systems”, Physica A 392 (2013) #4, 628-638
Yuriy V. Sereda, Peter J. Ortoleva, “Variational methods for time-dependent classical many-particle systems”, Physica A 392 (2013) #4, 628-638