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"The expressibility of languages and relations by word equations."
Juhani Karhumäki, Filippo Mignosi, Wojciech Plandowski (2000)
- Juhani Karhumäki, Filippo Mignosi, Wojciech Plandowski:
The expressibility of languages and relations by word equations. J. ACM 47(3): 483-505 (2000)
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