The Hamilton-Jacobi Equation and its Application to Nonlinear Beam Dynamics: Comparison of Approaches. The Journal of Technological and Space Plasmas, [S. l.], v. 7, n. 1, p. 288–297, 2026. DOI: 10.31281/7cmkez78. Disponível em: https://www.jtsp.eu/jtsp/article/view/46. Acesso em: 16 mar. 2026.