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