@inproceedings{Zetzsche:STACS:2015,
    Address = {Dagstuhl, Germany},
    Annote = {Keywords: abstraction, downward closure, obstruction set, computability},
    Author = {Zetzsche, Georg},
    BookTitle = {Proc. of STACS'15},
    Editor = {Mayr, Ernst W. and Ollinger, Nicolas},
    File = {Computing Downward Closures for Stacked Counter Automata - Zetzsche (0) (0) - a - a - e.pdf},
    ISBN = {978-3-939897-78-1},
    ISSN = {1868-8969},
    Pages = {743--756},
    Publisher = {Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
    Series = {LIPIcs},
    Title = {Computing Downward Closures for Stacked Counter Automata},
    URL = {http://drops.dagstuhl.de/opus/volltexte/2015/4955},
    Volume = {30},
    Year = {2015},
    bdsk-url-1 = {http://drops.dagstuhl.de/opus/volltexte/2015/4955},
    bdsk-url-2 = {http://dx.doi.org/10.4230/LIPIcs.STACS.2015.743},
    date-added = {2015-07-24 10:05:48 +0000},
    date-modified = {2020-02-03 15:05:41 +0100},
    urn = {urn:nbn:de:0030-drops-49554},
    doi = {10.4230/LIPIcs.STACS.2015.743}
}

@inproceedings{Zetzsche:STACS:2015, Address = {Dagstuhl, Germany}, Annote = {Keywords: abstraction, downward closure, obstruction set, computability}, Author = {Zetzsche, Georg}, BookTitle = {Proc. of STACS'15}, Editor = {Mayr, Ernst W. and Ollinger, Nicolas}, File = {Computing Downward Closures for Stacked Counter Automata - Zetzsche (0) (0) - a - a - e.pdf}, ISBN = {978-3-939897-78-1}, ISSN = {1868-8969}, Pages = {743--756}, Publisher = {Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik}, Series = {LIPIcs}, Title = {Computing Downward Closures for Stacked Counter Automata}, URL = {http://drops.dagstuhl.de/opus/volltexte/2015/4955}, Volume = {30}, Year = {2015}, bdsk-url-1 = {http://drops.dagstuhl.de/opus/volltexte/2015/4955}, bdsk-url-2 = {http://dx.doi.org/10.4230/LIPIcs.STACS.2015.743}, date-added = {2015-07-24 10:05:48 +0000}, date-modified = {2020-02-03 15:05:41 +0100}, urn = {urn:nbn:de:0030-drops-49554}, doi = {10.4230/LIPIcs.STACS.2015.743} }