@article{Courcelle199829,
    Abstract = {We establish that the finite set of obstructions of a minor-closed set of graphs given by a hyperedge replacement grammar can be effectively constructed. Our proof uses an auxiliary result stating that the system of equations associated with a proper hyperedge replacement grammar has a unique solution.},
    Author = {Courcelle, B and S{\'e}nizergues, G},
    File = {The obstructions of a minor-closed set of graphs defined by a context-free grammar - Courcelle, Sénizergues (0) (0) - a - a - c.pdf},
    ISSN = {0012-365X},
    Journal = {Discrete Mathematics},
    Number = {1--3},
    Pages = {29 - 51},
    Title = {The obstructions of a minor-closed set of graphs defined by a context-free grammar},
    URL = {http://www.sciencedirect.com/science/article/pii/S0012365X97830798},
    Volume = {182},
    Year = {1998},
    bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0012365X97830798},
    bdsk-url-2 = {http://dx.doi.org/10.1016/S0012-365X(97)83079-8},
    date-added = {2014-06-24 11:24:00 +0000},
    date-modified = {2014-06-24 11:24:00 +0000},
    doi = {10.1016/S0012-365X(97)83079-8}
}

@article{Courcelle199829, Abstract = {We establish that the finite set of obstructions of a minor-closed set of graphs given by a hyperedge replacement grammar can be effectively constructed. Our proof uses an auxiliary result stating that the system of equations associated with a proper hyperedge replacement grammar has a unique solution.}, Author = {Courcelle, B and S{\'e}nizergues, G}, File = {The obstructions of a minor-closed set of graphs defined by a context-free grammar - Courcelle, Sénizergues (0) (0) - a - a - c.pdf}, ISSN = {0012-365X}, Journal = {Discrete Mathematics}, Number = {1--3}, Pages = {29 - 51}, Title = {The obstructions of a minor-closed set of graphs defined by a context-free grammar}, URL = {http://www.sciencedirect.com/science/article/pii/S0012365X97830798}, Volume = {182}, Year = {1998}, bdsk-url-1 = {http://www.sciencedirect.com/science/article/pii/S0012365X97830798}, bdsk-url-2 = {http://dx.doi.org/10.1016/S0012-365X(97)83079-8}, date-added = {2014-06-24 11:24:00 +0000}, date-modified = {2014-06-24 11:24:00 +0000}, doi = {10.1016/S0012-365X(97)83079-8} }