Abu Safa M. Nonintegrable Hamiltonian and Chaotic Electron Motion in Dual-Wiggler Free-Electron Laser with Axial Guiding Field. Acta Phys. Pol. A [Internet]. 2024 Jun. 25 [cited 2024 Sep. 16];145(6):354. Available from: http://appol.ifpan.edu.pl/index.php/appa/article/view/145_354