1 files changed, 1 insertions, 0 deletions
diff --git a/TODO b/TODO
index d5d57d713..28153ff45 100644
--- a/TODO
+++ b/TODO
@@ -157,6 +157,7 @@ Table of contents:
   JBessel(n, x) = BesselJ(n+1/2, x)
   KBessel, KBessel2 [2nd kind]
   JacobiTheta
+  (see http://www.ams.org/journals/mcom/0000-000-00/S0025-5718-2017-03245-2/home.html)
   LogIntegral
   ExponentialIntegralEn (formula 5.1.4 of Abramowitz and Stegun)
   DawsonIntegral