PARTYKA, D.; SAKAN, K.- ichi. On an asymptotically sharp variant of Heinz’s inequality. Annales Fennici Mathematici, [S. l.], v. 30, n. 1, p. 167–182, 2005. Disponível em: https://afm.journal.fi/article/view/135127. Acesso em: 11 apr. 2025.