@inproceedings{StearnsHunt:Unambiguous:SFCS81,
    Address = {Washington, DC, USA},
    Author = {Stearns, Richard E. and Hunt, Harry B.},
    BookTitle = {Proc. of SFCS'81},
    File = {On the equivalence and containment problems for unambiguous regular expressions, grammars, and automata - Stearns, Hunt (0) (0) - a - a - q.pdf},
    Keywords = {unambiguous automata},
    Pages = {74--81},
    Publisher = {IEEE Computer Society},
    Series = {SFCS '81},
    Title = {On the equivalence and containment problems for unambiguous regular expressions, grammars, and automata},
    URL = {http://dx.doi.org/10.1109/SFCS.1981.29},
    Year = {1981},
    acmid = {1382701},
    bdsk-url-1 = {http://dx.doi.org/10.1109/SFCS.1981.29},
    date-added = {2012-03-07 11:55:49 +0100},
    date-modified = {2020-06-04 14:32:12 +0200},
    numpages = {8},
    doi = {10.1109/SFCS.1981.29}
}

@inproceedings{StearnsHunt:Unambiguous:SFCS81, Address = {Washington, DC, USA}, Author = {Stearns, Richard E. and Hunt, Harry B.}, BookTitle = {Proc. of SFCS'81}, File = {On the equivalence and containment problems for unambiguous regular expressions, grammars, and automata - Stearns, Hunt (0) (0) - a - a - q.pdf}, Keywords = {unambiguous automata}, Pages = {74--81}, Publisher = {IEEE Computer Society}, Series = {SFCS '81}, Title = {On the equivalence and containment problems for unambiguous regular expressions, grammars, and automata}, URL = {http://dx.doi.org/10.1109/SFCS.1981.29}, Year = {1981}, acmid = {1382701}, bdsk-url-1 = {http://dx.doi.org/10.1109/SFCS.1981.29}, date-added = {2012-03-07 11:55:49 +0100}, date-modified = {2020-06-04 14:32:12 +0200}, numpages = {8}, doi = {10.1109/SFCS.1981.29} }