XU, Yake; SHEN, Yixin; WANG, Ming. Applications of Polya’s Enumeration Formula. Science and Technology of Engineering, Chemistry and Environmental Protection, [S. l.], v. 3, n. 3, p. 8792, 2025. DOI: 10.61173/3vz18a53. Disponível em: https://stecep.deanfrancis.press/article/view/950. Acesso em: 4 nov. 2026.