@article{10_4064_aa_29_2_147_157,
     author = {Veikko Ennola and C. Smyth},
     title = {Conjugate algebraic numbers on circles},
     journal = {Acta Arithmetica},
     pages = {147--157},
     publisher = {mathdoc},
     volume = {29},
     number = {2},
     year = {1976},
     doi = {10.4064/aa-29-2-147-157},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-29-2-147-157/}
}