diff --git a/public/tjsm.html b/public/tjsm.html
index 1cded98..b5235e7 100644
--- a/public/tjsm.html
+++ b/public/tjsm.html
@@ -56,5 +56,11 @@ canvas {
 
 </div>
 
+<br>
+
+<a href="https://arxiv.org/abs/2310.03227">paper</a> by
+<a href="https://web.math.princeton.edu/~oeh">Otte Hein&#228;vaara</a>.
+<a href="https://ahti.space/git/shikhin/tjsm">source</a>.
+
 </body>
 </html>