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[Lecture Notes in Computer Science] Automata, Languages and Programming Volume 623 || Abelian squares are avoidable on 4 letters
Kuich, W.Volume:
10.1007/3-
Year:
1992
Language:
english
DOI:
10.1007/3-540-55719-9_62
File:
PDF, 1013 KB
english, 1992