Centre de Physique Théorique, Marseille, France

Centre de recherches mathématiques, Université de Montréal, Canada

Pontificia Universidad Católica de Chile, Santiago, Chile

University of Białystok, Białystok, Poland

CERN, Theoretical physics department, Geneve, Switzerland

Bogoliubov Laboratory of Theoretical Physics (BLTP), Joint Institute of Nuclear Research, Dubna, Russian

Ústav teoretické fyziky a astrofyziky, Masarykova Univerzita, Brno

Skobeltsyn Institute of Nuclear Physics Of Moscow State University, Moscow, Russia

The Institute for Informatics and Automation Problems, Yerevan, Armenia

Department of Mathematics Tallinn Technical University, Tallinn, Estonia

Institute of Nuclear Physics, Krakow, Poland

Institute for Theoretical Physics University of Wroclaw, Wroclaw, Poland

International Center for Advanced Studies Yerevan State University, Yerevan, Armenia

	Department of Mathematics Faculty of Nuclear Sciences and Physical Engineering Czech Technical University in Prague Trojanova 13, 120 00 Prague 2, Czech Republic mafia(at)km(dot)fjfi(dot)cvut(dot)cz