diff --git a/AUTHORS b/AUTHORS
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+# Authors
+
+- Luc Laurent <luc.laurent@lecnam.net>
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diff --git a/README.md b/README.md
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@@ -2,7 +2,9 @@ optiGTest
 ===
 
 [![GitHub license](https://img.shields.io/github/license/luclaurent/optiGTest.svg)](https://github.com/luclaurent/optiGTest/blob/master/LICENSE.md)
- [![Github Releases](https://img.shields.io/github/release/luclaurent/optiGTest.svg)]() [![DOI](https://zenodo.org/badge/132956523.svg)](https://zenodo.org/badge/latestdoi/132956523)
+ [![Github Releases](https://img.shields.io/github/release/luclaurent/optiGTest.svg)]() [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.1248984.svg)](https://doi.org/10.5281/zenodo.1248984)
+
+
 
 optiGTest is a MATLAB's toolbox which regroups many test functions used for studying the performance of approximation techniques and optimization strategy. In particular, gradient sof the test functions are provided.