1. Petersburg Nuclear Physics Institute; NRC Kurchatov Institute; Gatchina 188300 Russia
2. Clark Atlanta University; Atlanta GA 30314 USA
3. Institute of Physics; Opole University; Opole 45-052 Poland
4. Komi Science Center; Ural Division, RAS; Syktyvkar 167982 Russia
5. Institute of Mathematics and Informatics; Opole University; Opole 45-052 Poland