@article{Delzanno201312,
    Author = {Delzanno, Giorgio and Rosa-Velardo, Fernando},
    File = {On the coverability and reachability languages of monotonic extensions of Petri nets - Delzanno, Rosa-Velardo (0) (0) - a - a - c.pdf},
    ISSN = {0304-3975},
    Journal = {Theoretical Computer Science},
    Keywords = {well-structured transition systems and broadcast protocols},
    Number = {0},
    Pages = {12 - 29},
    Title = {On the coverability and reachability languages of monotonic extensions of Petri nets},
    URL = {http://www.sciencedirect.com/science/article/pii/S0304397512008717},
    Volume = {467},
    Year = {2013},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397512008717},
    bdsk-url-2 = {http://dx.doi.org/10.1016/j.tcs.2012.09.021},
    date-added = {2012-12-29 14:36:19 +0000},
    date-modified = {2012-12-29 14:36:52 +0000},
    file-2 = {On the coverability and reachability languages of monotonic extensions of Petri nets - Delzanno, Rosa-Velardo (1) (0) - a - a - c.pdf},
    doi = {10.1016/j.tcs.2012.09.021}
}

@article{Delzanno201312, Author = {Delzanno, Giorgio and Rosa-Velardo, Fernando}, File = {On the coverability and reachability languages of monotonic extensions of Petri nets - Delzanno, Rosa-Velardo (0) (0) - a - a - c.pdf}, ISSN = {0304-3975}, Journal = {Theoretical Computer Science}, Keywords = {well-structured transition systems and broadcast protocols}, Number = {0}, Pages = {12 - 29}, Title = {On the coverability and reachability languages of monotonic extensions of Petri nets}, URL = {http://www.sciencedirect.com/science/article/pii/S0304397512008717}, Volume = {467}, Year = {2013}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0304397512008717}, bdsk-url-2 = {http://dx.doi.org/10.1016/j.tcs.2012.09.021}, date-added = {2012-12-29 14:36:19 +0000}, date-modified = {2012-12-29 14:36:52 +0000}, file-2 = {On the coverability and reachability languages of monotonic extensions of Petri nets - Delzanno, Rosa-Velardo (1) (0) - a - a - c.pdf}, doi = {10.1016/j.tcs.2012.09.021} }