@article{JTNB_2004__16_3_705_0,
     author = {Bernhard Schratzberger},
     title = {S-expansions in dimension two},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     pages = {705--732},
     publisher = {Universit\'e Bordeaux 1},
     volume = {16},
     number = {3},
     year = {2004},
     doi = {10.5802/jtnb.467},
     mrnumber = {2144964},
     zbl = {1073.11049},
     language = {en},
     url = {https://jtnb.centre-mersenne.org/articles/10.5802/jtnb.467/}
}