TVERBERG, Helge. On the Irreducibility of the Trinomials $x^n\pm x^m\pm1$. Mathematica Scandinavica, Berkeley, CA, United States, v. 8, p. 121–126, 1960. DOI: 10.7146/math.scand.a-10599. Disponível em: https://journals.msp.org/mscand/article/view/2744. Acesso em: 25 jul. 2026.