On the Irreducibility of the Trinomials $x^m\pm x^n\pm 4$.

Jonassen, A. T. (1967). On the Irreducibility of the Trinomials $x^m\pm x^n\pm 4$. MATHEMATICA SCANDINAVICA, 21, 177–189. https://doi.org/10.7146/math.scand.a-10857