@article{10_4064_aa149_4_3,
     author = {Nikita Sidorov and Boris Solomyak},
     title = {On the topology of sums in powers 
 of an algebraic number},
     journal = {Acta Arithmetica},
     pages = {337--346},
     publisher = {mathdoc},
     volume = {149},
     number = {4},
     year = {2011},
     doi = {10.4064/aa149-4-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa149-4-3/}
}