Graphic element for <a href="https://en.wikipedia.org/wiki/Coxeter-Dynkin_diagram" class="extiw" title="en:Coxeter-Dynkin diagram">Coxeter-Dynkin diagram</a>
<a href="https://en.wikipedia.org/wiki/User:Tomruen" class="extiw" title="en:User:Tomruen">Tomruen</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>
20 January 2007 (original upload date)
<span class="int-own-work" lang="en">Own work</span><br>Transferred from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>