1 files changed, 9 insertions, 1 deletions
diff --git a/tex/thesis/references.bib b/tex/thesis/references.bib
index a7929fe..a68e126 100644
--- a/tex/thesis/references.bib
+++ b/tex/thesis/references.bib
@@ -141,4 +141,12 @@
   url = {http://www2.in.tum.de/~seidl/Courses/WS2011/Optimierung/all2011.pdf},
   urldate = {2012-11-04},
   year = {2011}
-}
-\ No newline at end of file
+}
+@article{Rice,
+ author = {H. Rice},
+ title = {Classes of Recursively Enumerable Sets and their
+                Decision problems},
+ year = {1953},
+ journal = {Transactions of the American Mathematical Society},
+ volume = {83}
+}