@InProceedings{ahrens_et_al:LIPIcs.TYPES.2015.2,
author = {Ahrens, Benedikt and Matthes, Ralph},
title = {{Heterogeneous Substitution Systems Revisited}},
booktitle = {21st International Conference on Types for Proofs and Programs (TYPES 2015)},
pages = {2:1--2:23},
series = {Leibniz International Proceedings in Informatics (LIPIcs)},
ISBN = {978-3-95977-030-9},
ISSN = {1868-8969},
year = {2018},
volume = {69},
editor = {Uustalu, Tarmo},
publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
address = {Dagstuhl, Germany},
URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.TYPES.2015.2},
URN = {urn:nbn:de:0030-drops-84724},
doi = {10.4230/LIPIcs.TYPES.2015.2},
annote = {Keywords: formalization of category theory, nested datatypes, Mendler-style recursion schemes, representation of substitution in languages with variable binding}
}