%0 Journal Article %A Veikko Ennola %A C. Smyth %T Conjugate algebraic numbers on circles %J Acta Arithmetica %D 1976 %P 147-157 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-29-2-147-157/ %R 10.4064/aa-29-2-147-157 %G en %F 10_4064_aa_29_2_147_157