Sum of small arithmetic functions in a floor function set. Gulf Journal of Mathematics, [S. l.], v. 20, n. 2, p. 57–65, 2025. DOI: 10.56947/gjom.v20i2.3052. Disponível em: https://www.gjom.org/index.php/gjom/article/view/3052. Acesso em: 20 aug. 2026.