KAMIYAMA, Yasuhiko. Relationship between polynomials with multiple roots and rational functions with common roots. Mathematica Scandinavica, Berkeley, CA, United States, v. 96, n. 1, p. 31–48, 2005. DOI: 10.7146/math.scand.a-14943. Disponível em: https://journals.msp.org/mscand/article/view/754. Acesso em: 24 jul. 2026.