1. Inria, Non-A team, Parc Scientifique de la Haute Borne , Villeneuve d'Ascq, France
2. CRIStAL (UMR-CNRS 9189), Ecole Centrale de Lille, Cite Scientifique , Villeneuve d’Ascq, France
3. Department of Control Systems and Informatics, University ITMO , Saint Petersburg, Russia
4. School of Mathematical Sciences, Tel-Aviv University , Tel-Aviv, Israel