JONASSEN, Arne T. On the Irreducibility of the Trinomials $x^m\pm x^n\pm 4$. MATHEMATICA SCANDINAVICA, [S. l.], v. 21, p. 177–189, 1967. DOI: 10.7146/math.scand.a-10857. Disponível em: https://tidsskrift.dk/math/article/view/10857. Acesso em: 14 aug. 2026.