@article{CRMATH_2003__336_2_111_0,
     author = {Bo Tan and Zhi-Xiong Wen and Yiping Zhang},
     title = {Invertible substitutions on a three-letter alphabet},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {111--116},
     publisher = {Elsevier},
     volume = {336},
     number = {2},
     year = {2003},
     doi = {10.1016/S1631-073X(02)00006-7},
     language = {en},
}