@article{MZ_1973__134_171990,
     author = {Veikko Ennola},
     title = {Conjugate {Algebraic} {Integers} on a {Circle} with {Irrational} {Center.}},
     journal = {Mathematische Zeitschrift},
     pages = {337--350},
     publisher = {mathdoc},
     volume = {134},
     year = {1973},
     zbl = {0259.12010},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__134_171990/}
}