@article{halo,
    Address = {NLD},
    Author = {Leroux, P. and Viennot, G. X.},
    File = {Combinatorial Resolution of Systems of Differential Equations. IV. Separation of Variables - 1-s2.0-0012365X88902130-main - a - f.pdf},
    ISSN = {0012-365X},
    Journal = {Discrete Math.},
    Month = {December},
    Number = {1--3},
    Pages = {237--250},
    Publisher = {Elsevier Science Publishers B. V.},
    Title = {Combinatorial Resolution of Systems of Differential Equations. IV. Separation of Variables},
    URL = {https://doi.org/10.1016/0012-365X(88)90213-0},
    Volume = {72},
    Year = {1988},
    bdsk-url-1 = {https://doi.org/10.1016/0012-365X(88)90213-0},
    date-added = {2020-10-25 10:59:33 +0100},
    date-modified = {2020-10-25 10:59:33 +0100},
    issue_date = {December 1988},
    numpages = {14},
    doi = {10.1016/0012-365X(88)90213-0}
}

@article{halo, Address = {NLD}, Author = {Leroux, P. and Viennot, G. X.}, File = {Combinatorial Resolution of Systems of Differential Equations. IV. Separation of Variables - 1-s2.0-0012365X88902130-main - a - f.pdf}, ISSN = {0012-365X}, Journal = {Discrete Math.}, Month = {December}, Number = {1--3}, Pages = {237--250}, Publisher = {Elsevier Science Publishers B. V.}, Title = {Combinatorial Resolution of Systems of Differential Equations. IV. Separation of Variables}, URL = {https://doi.org/10.1016/0012-365X(88)90213-0}, Volume = {72}, Year = {1988}, bdsk-url-1 = {https://doi.org/10.1016/0012-365X(88)90213-0}, date-added = {2020-10-25 10:59:33 +0100}, date-modified = {2020-10-25 10:59:33 +0100}, issue_date = {December 1988}, numpages = {14}, doi = {10.1016/0012-365X(88)90213-0} }