LUNDBERG, E.; RAMACHANDRAN, K. Electrostatic skeletons. Annales Fennici Mathematici, [S. l.], v. 40, n. 1, p. 397–401, 2015. DOI: 10.5186/aasfm.2015.4020. Disponível em: https://afm.journal.fi/article/view/135549. Acesso em: 30 oct. 2024.