@article{ITA_2008__42_3_417_0,
     author = {B\'ar\'any, Vince},
     title = {A hierarchy of automatic $\omega $-words having a decidable {MSO} theory},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {417--450},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {3},
     year = {2008},
     doi = {10.1051/ita:2008008},
     mrnumber = {2434027},
     zbl = {1152.03030},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2008008/}
}