<p><span class="h-card" translate="no"><a href="https://hachyderm.io/@shoebum" class="u-url mention">@<span>shoebum</span></a></span> <span class="h-card" translate="no"><a href="https://mathstodon.xyz/@zanzi" class="u-url mention">@<span>zanzi</span></a></span> Yes, this one is good, and also provides lots of references to other work. /cc <span class="h-card" translate="no"><a href="https://mastodon.social/@shriramk" class="u-url mention">@<span>shriramk</span></a></span></p>