@article{MS2_1960__8_165734,
     author = {Wilhelm Ljunggren},
     title = {On the {Irreducibility} of {Certain} {Trinomials} and {Quadrinomials.}},
     journal = {Mathematica Scandinavica},
     pages = {65--70},
     publisher = {mathdoc},
     volume = {8},
     year = {1960},
     zbl = {0095.01305},
     url = {http://geodesic.mathdoc.fr/item/MS2_1960__8_165734/}
}