SHREEMA S. BHATT; H. V. DEDANIA. Construction of Weights on the Semigroup $({\mathbb N}, \, +)$ Using some Standard Functions. International Journal of Mathematics And its Applications, [S. l.], v. 9, n. 3, p. 41–47, 2021. Disponível em: http://ijmaa.in/index.php/ijmaa/article/view/42. Acesso em: 2 may. 2024.