Author: Tim_Porter Format: MarkdownItexAdded a reference and link for publications.
<a href="https://ncatlab.org/nlab/revision/diff/Fran%C3%A7ois+Conduch%C3%A9/3">diff</a>, <a href="https://ncatlab.org/nlab/revision/Fran%C3%A7ois+Conduch%C3%A9/3">v3</a>, <a href="https://ncatlab.org/nlab/show/Fran%C3%A7ois+Conduch%C3%A9">current</a>