@article{FRIEDMAN1977344,
    Author = {Friedman, Emily P.},
    File = {1-s2.0-S0022000077800196-main (0) - a - a - a.pdf},
    ISSN = {0022-0000},
    Journal = {Journal of Computer and System Sciences},
    Number = {3},
    Pages = {344 - 359},
    Title = {Equivalence problems for deterministic context-free languages and monadic recursion schemes},
    URL = {http://www.sciencedirect.com/science/article/pii/S0022000077800196},
    Volume = {14},
    Year = {1977},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0022000077800196},
    bdsk-url-2 = {https://doi.org/10.1016/S0022-0000(77)80019-6},
    date-added = {2018-10-04 08:58:40 +0000},
    date-modified = {2018-10-04 08:58:40 +0000},
    doi = {10.1016/S0022-0000(77)80019-6}
}

@article{FRIEDMAN1977344, Author = {Friedman, Emily P.}, File = {1-s2.0-S0022000077800196-main (0) - a - a - a.pdf}, ISSN = {0022-0000}, Journal = {Journal of Computer and System Sciences}, Number = {3}, Pages = {344 - 359}, Title = {Equivalence problems for deterministic context-free languages and monadic recursion schemes}, URL = {http://www.sciencedirect.com/science/article/pii/S0022000077800196}, Volume = {14}, Year = {1977}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0022000077800196}, bdsk-url-2 = {https://doi.org/10.1016/S0022-0000(77)80019-6}, date-added = {2018-10-04 08:58:40 +0000}, date-modified = {2018-10-04 08:58:40 +0000}, doi = {10.1016/S0022-0000(77)80019-6} }