@article{Hague:2017:CPA:3130378.3091122,
    Address = {New York, NY, USA},
    Author = {Hague, Matthew and Murawski, Andrzej S. and Ong, C.-H. Luke and Serre, Olivier},
    File = {a25-hague (0) - a - a - z.pdf},
    ISSN = {1529-3785},
    Journal = {ACM Trans. Comput. Logic},
    Keywords = {Higher-order recursion schemes, higher-order (collapsible) pushdown automata},
    Month = {August},
    Number = {3},
    Pages = {25:1--25:42},
    Publisher = {ACM},
    Title = {Collapsible Pushdown Automata and Recursion Schemes},
    URL = {http://doi.acm.org/10.1145/3091122},
    Volume = {18},
    Year = {2017},
    acmid = {3091122},
    articleno = {25},
    bdsk-url-1 = {http://doi.acm.org/10.1145/3091122},
    bdsk-url-2 = {https://doi.org/10.1145/3091122},
    date-added = {2018-05-22 07:39:02 +0000},
    date-modified = {2018-05-22 07:39:02 +0000},
    issue_date = {August 2017},
    numpages = {42},
    doi = {10.1145/3091122}
}

@article{Hague:2017:CPA:3130378.3091122, Address = {New York, NY, USA}, Author = {Hague, Matthew and Murawski, Andrzej S. and Ong, C.-H. Luke and Serre, Olivier}, File = {a25-hague (0) - a - a - z.pdf}, ISSN = {1529-3785}, Journal = {ACM Trans. Comput. Logic}, Keywords = {Higher-order recursion schemes, higher-order (collapsible) pushdown automata}, Month = {August}, Number = {3}, Pages = {25:1--25:42}, Publisher = {ACM}, Title = {Collapsible Pushdown Automata and Recursion Schemes}, URL = {http://doi.acm.org/10.1145/3091122}, Volume = {18}, Year = {2017}, acmid = {3091122}, articleno = {25}, bdsk-url-1 = {http://doi.acm.org/10.1145/3091122}, bdsk-url-2 = {https://doi.org/10.1145/3091122}, date-added = {2018-05-22 07:39:02 +0000}, date-modified = {2018-05-22 07:39:02 +0000}, issue_date = {August 2017}, numpages = {42}, doi = {10.1145/3091122} }