diff -r cd72eae05bdf -r 3c00344f49c9 doc/mainpage.dox.in
--- a/doc/mainpage.dox.in	Mon Jul 16 16:21:40 2018 +0200
+++ b/doc/mainpage.dox.in	Wed Oct 17 19:14:07 2018 +0200
@@ -25,7 +25,7 @@
 and <b>O</b>ptimization in <b>N</b>etworks</i>.
 It is a C++ template library providing efficient implementations of common
 data structures and algorithms with focus on combinatorial optimization
-tasks connected mainly with graphs and networks.
+tasks connected mainly with graphs and networks \cite DezsoJuttnerKovacs11Lemon.
 
 <b>
 LEMON is an <a class="el" href="http://opensource.org/">open&nbsp;source</a>
@@ -37,12 +37,12 @@
 
 The project is maintained by the
 <a href="http://www.cs.elte.hu/egres/">Egerv&aacute;ry Research Group on
-Combinatorial Optimization</a> \ref egres
+Combinatorial Optimization</a> \cite egres
 at the Operations Research Department of the
 <a href="http://www.elte.hu/en/">E&ouml;tv&ouml;s Lor&aacute;nd University</a>,
 Budapest, Hungary.
 LEMON is also a member of the <a href="http://www.coin-or.org/">COIN-OR</a>
-initiative \ref coinor.
+initiative \cite coinor.
 
 \section howtoread How to Read the Documentation