@article{10_4064_aa155_4_5,
     author = {C. L. Stewart},
     title = {Exceptional units and cyclic resultants},
     journal = {Acta Arithmetica},
     pages = {407--418},
     publisher = {mathdoc},
     volume = {155},
     number = {4},
     year = {2012},
     doi = {10.4064/aa155-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa155-4-5/}
}