Update obsolete URL, per Chris.

diff --git a/doc/src/sgml/gist.sgml b/doc/src/sgml/gist.sgml
index 17b70fd564aa1a692164d3130c5f38522ee15a9b..6a1f0a33228183b7363a7d07dd1cb65a32f2fa82 100644 (file)
--- a/doc/src/sgml/gist.sgml
+++ b/doc/src/sgml/gist.sgml
@@ -1,5 +1,5 @@
 
 
 
@@ -33,7 +33,7 @@ $PostgreSQL: pgsql/doc/src/sgml/gist.sgml,v 1.22 2005/10/21 01:41:28 tgl Exp $
     Some of the information here is derived from the University of California at
     Berkeley's GiST Indexing Project
     web site and 
-    citeseer.nj.nec.com/448594.html">
+    www.sai.msu.su/~megera/postgres/gist/papers/concurrency/access-methods-for-next-generation.pdf.gz">
     Marcel Kornacker's thesis, Access Methods for Next-Generation Database Systems.
     The GiST
     implementation in PostgreSQL is primarily