@article{10_4064_aa_63_4_325_334,
     author = {G. Rieger},
     title = {Effective simultaneous approximation of complex numbers by conjugate algebraic integers},
     journal = {Acta Arithmetica},
     pages = {325--334},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {1993},
     doi = {10.4064/aa-63-4-325-334},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-63-4-325-334/}
}