1. LAMIH UMR CNRS 8201, UNIV. POLYTECHNIQUE HAUTS-DE-FRANCE, France
2. LAMIH - UMR CNRS 8201, UNIV. POLYTECHNIQUE HAUTS-DE-FRANCE, France
3. LAMIH CNRS 8201, UNIV. POLYTECHNIQUE HAUTS-DE-FRANCE, France
4. LAMIH CNRS UMR 8201, UNIV. POLYTECHNIQUE HAUTS-DE-FRANCE, France