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[文献書誌] M.Ito: "Left dense covers of semigroups" Words,Languages and Combinatorics(World Scientific Publ.Co Pte Ltd,Singapore). 202-218 (1992)
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[文献書誌] M.Ito: "Languages Whose η-element subsets are codes" Theoretical Computer Science(Elsevier Science Publishers,Amsterdam). 96. 325-344 (1992)
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[文献書誌] M.Ito: "Dense languages and languages related to primitive words" Proceedings of Asian Mathematical Conference(World Scientific Publ.Co Pte Ltd,Singapore). 215-220 (1992)
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[文献書誌] M.Ito: "Skew-morphisms and systems" Lindenmyer Systems(Springer-Verlag,New York). 437-454 (1992)
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[文献書誌] M.Ito: "Disjunctive and dense properties of languages" Lecture Notes in Computer Science(Springer-Verlag,New York)(Invited paper at FCT'93). (1993)
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[文献書誌] M.Ito: "Schuffle-closed languages" Publicationes Mathematicae(L.Kossuth University,Debrecen)(Invited paper). (1994)
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[文献書誌] M.Ito: "Adherence in finitely generated free monoids" Congressus Numerantium(Utilitas Mathematica Publishing Inc,Winnipeg). (1994)
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[文献書誌] M.Katsura: "Groups of finite elementary codes" Theoretical Computer Science(Elsevier Science Publishers,Amsterdam). 108. 119-150 (1993)
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[文献書誌] M.Katsura: "The schuffle algebra and its derivations" Theoretical Computer Science(Elsevier Science Publishers,Amsterdam). (1993)
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[文献書誌] S.Yu: "On the state complexity of some basic operations on regular languages" Theoretical Computer Science(Elsevier Science Publishers,Amsterdam). (1993)
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[文献書誌] M.Ito(Editor): "Words,Languages and Combinatorics" World Scientific Publ.Co Pte Ltd(Singapore), 590 (1992)
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[文献書誌] M.Ito(Guest editor): "Theoretical Computer Science 108(1)" Elsevier Science Publishers(Amsterdam), 183 (1993)
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[文献書誌] M.Ito(Editor): "Words,Languages and Combinatorics II" World Scientific Publ.Co Pte Ltd(Singapore), (1994)
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[文献書誌] M.Ito(Guest editor): "Special Issue of Theoretical Computer Science" Elsevier Science Publishers(Amsterdam), (1995)