BORODIN, M.; HAN, H.; JI, K.; KHOVANOVA, T.; PENG, A.; SUN, D.; TU, I.; YANG, J.; YANG, W.; ZHANG, K.; ZHAO, K. Chip-Firing and Fractional Bases. Minnesota Journal of Undergraduate Mathematics, Minneapolis, MN, v. 6, n. 1, 2021. Disponível em: https://pubs.lib.umn.edu/index.php/mjum/article/view/4235. Acesso em: 4 dec. 2024.