@article{AizikowitzKaminski:2013,
    Author = {Aizikowitz, Tamar and Kaminski, Michael},
    File = {Conjunctive grammars and alternating pushdown automata - Aizikowitz, Kaminski (0) (0) - a - a - u.pdf},
    ISSN = {0001-5903},
    Journal = {Acta Informatica},
    Language = {English},
    Number = {3},
    Pages = {175-197},
    Publisher = {Springer-Verlag},
    Title = {Conjunctive grammars and alternating pushdown automata},
    URL = {http://dx.doi.org/10.1007/s00236-013-0177-3},
    Volume = {50},
    Year = {2013},
    bdsk-url-1 = {http://dx.doi.org/10.1007/s00236-013-0177-3},
    date-added = {2014-03-23 17:41:35 +0000},
    date-modified = {2014-03-23 17:41:35 +0000},
    file-2 = {Conjunctive grammars and alternating pushdown automata - Aizikowitz, Kaminski (1) (0) - a - a - u.pdf},
    doi = {10.1007/s00236-013-0177-3}
}

@article{AizikowitzKaminski:2013, Author = {Aizikowitz, Tamar and Kaminski, Michael}, File = {Conjunctive grammars and alternating pushdown automata - Aizikowitz, Kaminski (0) (0) - a - a - u.pdf}, ISSN = {0001-5903}, Journal = {Acta Informatica}, Language = {English}, Number = {3}, Pages = {175-197}, Publisher = {Springer-Verlag}, Title = {Conjunctive grammars and alternating pushdown automata}, URL = {http://dx.doi.org/10.1007/s00236-013-0177-3}, Volume = {50}, Year = {2013}, bdsk-url-1 = {http://dx.doi.org/10.1007/s00236-013-0177-3}, date-added = {2014-03-23 17:41:35 +0000}, date-modified = {2014-03-23 17:41:35 +0000}, file-2 = {Conjunctive grammars and alternating pushdown automata - Aizikowitz, Kaminski (1) (0) - a - a - u.pdf}, doi = {10.1007/s00236-013-0177-3} }