@article{SF_1991__43_3_135104,
     author = {R. Gilmer},
     title = {On the irreducibility of pure difference binomials.},
     journal = {Semigroup forum},
     pages = {146--150},
     publisher = {mathdoc},
     volume = {43},
     number = {3},
     year = {1991},
     zbl = {0760.13004},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__43_3_135104/}
}