diff --git a/papers/CasperTFG/ethereum.bib b/papers/CasperTFG/ethereum.bib
index 6e5eb81..a8a966b 100644
--- a/papers/CasperTFG/ethereum.bib
+++ b/papers/CasperTFG/ethereum.bib
@@ -1,3 +1,14 @@
+@article{Fischer_Lynch_Paterson_FLP_Impossibility_1985,
+  title = {{Impossibility of Distributed Consensus with One Faulty Process}},
+  author = "Michael J. Fischer and Nancy A. Lynch and Michael S. Paterson",
+  url = "https://groups.csail.mit.edu/tds/papers/Lynch/jacm85.pdf",
+  journal = {{Journal of the Assccktion for Computing Machinery}},
+  volume = "32", 
+  number = "2",
+  year = "1985",
+  month = "April",
+  pages = 374–382,
+
 @MISC{GHOST,
   TITLE = {Secure High-Rate Transaction Processing in Bitcoin},
   author = {Yonatan Sompolinsky and Aviv Zohar},