AVENHAUS, R. Montmort’s problem, Burnside’s Lemma and Bell’s numbers. Mathematical Modelling and Analysis, [S. l.], v. 10, n. 3, p. 205–216, 2005. DOI: 10.3846/13926292.2005.9637282. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9674. Acesso em: 4 jul. 2025.