From ad3eef76082a8d25d27ca6894d128dd47652a4cf Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Mon, 9 Jan 2017 13:01:39 +0100
Subject: Add link to SO

---
 Eigen/src/Core/Ref.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Eigen/src/Core/Ref.h')

diff --git a/Eigen/src/Core/Ref.h b/Eigen/src/Core/Ref.h
index bdf24f52a..abb1e5121 100644
--- a/Eigen/src/Core/Ref.h
+++ b/Eigen/src/Core/Ref.h
@@ -184,6 +184,8 @@ protected:
   * void foo(const Ref<MatrixXf,0,Stride<> >& A) { foo_impl(A); }
   * \endcode
   *
+  * See also the following stackoverflow questions for further references:
+  *  - <a href="http://stackoverflow.com/questions/21132538/correct-usage-of-the-eigenref-class">Correct usage of the Eigen::Ref<> class</a>
   *
   * \sa PlainObjectBase::Map(), \ref TopicStorageOrders
   */
-- 
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