@article{JEZ201713,
    Author = {Je{\.z}, Artur and Okhotin, Alexander},
    File = {1-s2.0-S0304397516307150-main (0) - a - a - a.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Keywords = {Conjunctive grammars, Ambiguity, Language equations, Undecidability, Unary languages},
    Pages = {13 - 39},
    Title = {Unambiguous conjunctive grammars over a one-symbol alphabet},
    URL = {http://www.sciencedirect.com/science/article/pii/S0304397516307150},
    Volume = {665},
    Year = {2017},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397516307150},
    bdsk-url-2 = {https://doi.org/10.1016/j.tcs.2016.12.009},
    date-added = {2018-01-30 14:05:49 +0000},
    date-modified = {2018-01-30 14:05:49 +0000},
    doi = {10.1016/j.tcs.2016.12.009}
}

@article{JEZ201713, Author = {Je{.z}, Artur and Okhotin, Alexander}, File = {1-s2.0-S0304397516307150-main (0) - a - a - a.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Keywords = {Conjunctive grammars, Ambiguity, Language equations, Undecidability, Unary languages}, Pages = {13 - 39}, Title = {Unambiguous conjunctive grammars over a one-symbol alphabet}, URL = {http://www.sciencedirect.com/science/article/pii/S0304397516307150}, Volume = {665}, Year = {2017}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397516307150}, bdsk-url-2 = {https://doi.org/10.1016/j.tcs.2016.12.009}, date-added = {2018-01-30 14:05:49 +0000}, date-modified = {2018-01-30 14:05:49 +0000}, doi = {10.1016/j.tcs.2016.12.009} }