GRYSZKA, Karol. Identities arising from binomial-like formulas involving divisors of numbers. Annales Mathematicae Silesianae, [S. l.], v. 37, n. 2, p. 266–293, 2023. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/15793. Acesso em: 7 may. 2025.