Author: Tim_Porter Format: MarkdownItexAdded link to the French wikipedia page.
<a href="https://ncatlab.org/nlab/revision/diff/Pierre+Gabriel/13">diff</a>, <a href="https://ncatlab.org/nlab/revision/Pierre+Gabriel/13">v13</a>, <a href="https://ncatlab.org/nlab/show/Pierre+Gabriel">current</a>