@article{Ehrenfeucht1983311,
    Author = {Ehrenfeucht, A. and Haussler, D. and Rozenberg, G.},
    File = {On regularity of context-free languages - Ehrenfeucht, Haussler, Rozenberg (0) (0) - a - a - c.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Keywords = {well quasi-orders},
    Note = {<ce:title>Special Issue Ninth International Colloquium on Automata, Languages and Programming (ICALP) Aarhus, Summer 1982</ce:title>},
    Number = {3},
    Pages = {311 - 332},
    Title = {On regularity of context-free languages},
    URL = {http://www.sciencedirect.com/science/article/pii/0304397582901244},
    Volume = {27},
    Year = {1983},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397582901244},
    bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(82)90124-4},
    date-added = {2012-12-02 08:28:23 +0000},
    date-modified = {2012-12-02 15:43:49 +0000},
    file-2 = {On regularity of context-free languages - Ehrenfeucht, Haussler, Rozenberg (1) (0) - a - a - c.pdf},
    doi = {10.1016/0304-3975(82)90124-4}
}

@article{Ehrenfeucht1983311, Author = {Ehrenfeucht, A. and Haussler, D. and Rozenberg, G.}, File = {On regularity of context-free languages - Ehrenfeucht, Haussler, Rozenberg (0) (0) - a - a - c.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Keywords = {well quasi-orders}, Note = {Special Issue Ninth International Colloquium on Automata, Languages and Programming (ICALP) Aarhus, Summer 1982}, Number = {3}, Pages = {311 - 332}, Title = {On regularity of context-free languages}, URL = {http://www.sciencedirect.com/science/article/pii/0304397582901244}, Volume = {27}, Year = {1983}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/0304397582901244}, bdsk-url-2 = {http://dx.doi.org/10.1016/0304-3975(82)90124-4}, date-added = {2012-12-02 08:28:23 +0000}, date-modified = {2012-12-02 15:43:49 +0000}, file-2 = {On regularity of context-free languages - Ehrenfeucht, Haussler, Rozenberg (1) (0) - a - a - c.pdf}, doi = {10.1016/0304-3975(82)90124-4} }