diff --git a/gipp.bib b/gipp.bib
index 4e4b875bf8cf4e2d7494746d52ac160d0dd322f9..c8a8ec5605f9a5fa2b470cbbe84bb9b42ba26397 100644
--- a/gipp.bib
+++ b/gipp.bib
@@ -1612,6 +1612,7 @@
   keywords  = {preprint,SchubotzCV},
   preprint  = {https://arxiv.org/pdf/1905.08359},
   title     = {Why Machines Cannot Learn Mathematics, Yet},
+  url       = {http://ceur-ws.org/Vol-2414/paper14.pdf}
 }
 
 @article{GreinerPetter2019,