Radial Transonic Shock Solutions to Euler-Poisson System with Varying Background Charge in an Annulus. CSIAM Transactions on Applied Mathematics, [S. l.], v. 4, n. 1, p. 129–156, 2023. DOI: 10.4208/csiam-am.SO-2022-0007. Disponível em: https://www.global-sci.com/index.php/csiam-am/article/view/7824. Acesso em: 6 dec. 2025.