@article{10_4153_CMB_1968_033_1,
     author = {Williams, Kenneth S.},
     title = {On {Exceptional} {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {279--282},
     year = {1968},
     volume = {11},
     number = {2},
     doi = {10.4153/CMB-1968-033-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-033-1/}
}