@article{ITA_2003__37_1_67_0,
     author = {Selivanov, Victor},
     title = {Wadge degrees of $\sf \omega $-languages of deterministic {Turing} machines},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {67--83},
     publisher = {EDP-Sciences},
     volume = {37},
     number = {1},
     year = {2003},
     doi = {10.1051/ita:2003008},
     mrnumber = {1991752},
     zbl = {1048.03031},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2003008/}
}