@article{10_4007_annals_2011_173_1_11,
     author = {Uri Shapira},
     title = {A solution to a problem of {Cassels} and {Diophantine} properties of cubic numbers},
     journal = {Annals of mathematics},
     pages = {543--557},
     publisher = {mathdoc},
     volume = {173},
     number = {1},
     year = {2011},
     doi = {10.4007/annals.2011.173.1.11},
     mrnumber = {2753608},
     zbl = {05960664},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2011.173.1.11/}
}