Substitution invariant cutting sequences
Journal de théorie des nombres de Bordeaux, Volume 5 (1993) no. 1, p. 123-137 
@article{JTNB_1993__5_1_123_0,
     author = {Crisp, D. and Moran, W. and Pollington, A. D. and Shiue, P.},
     title = {Substitution invariant cutting sequences},
     journal = {Journal de th\'eorie des nombres de Bordeaux},
     publisher = {Universit\'e Bordeaux I},
     volume = {5},
     number = {1},
     year = {1993},
     pages = {123-137},
     zbl = {0786.11041},
     mrnumber = {1251232},
     language = {en},
     url = {http://www.numdam.org/item/JTNB_1993__5_1_123_0}
}

Crisp, D.; Moran, W.; Pollington, A.; Shiue, P. Substitution invariant cutting sequences. Journal de théorie des nombres de Bordeaux, Volume 5 (1993) no. 1, pp. 123-137. http://www.numdam.org/item/JTNB_1993__5_1_123_0/

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