@article{JTNB_2007__19_3_567_0,
     author = {Bir\'o, Andr\'as},
     title = {Characterizations of groups generated by {Kronecker} sets},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {567--582},
     publisher = {Universit\'e Bordeaux 1},
     volume = {19},
     number = {3},
     year = {2007},
     doi = {10.5802/jtnb.603},
     zbl = {1159.11022},
     mrnumber = {2388789},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/jtnb.603/}
}