KOLESNIKOV, Evgeniy K.; KLUSHNIKOV, Georgiy N. The allowed regions in the problem concerning dynamics of a charged particle in a superposition of dipole and uniform magnetic fields. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, [S. l.], v. 3, n. 2, p. 1, 2020. DOI: 10.21638/11701/spbu01.2016.213. Disponível em: https://math-mech-astr-journal.spbu.ru/article/view/9371. Acesso em: 17 may. 2024.