PREMALATHA, A. V. The canonical potentials in Rn. Annales Fennici Mathematici, [S. l.], v. 6, n. 2, p. 189–196, 1981. DOI: 10.5186/aasfm.1981.0615. Disponível em: https://afm.journal.fi/article/view/134410. Acesso em: 17 apr. 2025.