On the equivalence and containment problems for context-free languages
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Publication:5563366
DOI10.1007/BF01746517zbMath0175.00801OpenAlexW2094274619MaRDI QIDQ5563366
Publication date: 1969
Published in: Mathematical Systems Theory (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/bf01746517
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