LEHTINEN, A. Recognizing the three best of a sequence. Annales Fennici Mathematici, [S. l.], v. 17, n. 1, p. 73–79, 1992. DOI: 10.5186/aasfm.1992.1709. Disponível em: https://afm.journal.fi/article/view/134739. Acesso em: 25 nov. 2024.