@article{DMTCS_2009_11_1_a0,
     author = {Berthe, Valerie and Imbert, Laurent},
     title = {Diophantine {Approximation,} {Ostrowski} {Numeration} and the {Double-Base} {Number} {System}},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2009},
     doi = {10.46298/dmtcs.450},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.450/}
}