1. Budker Institute of Nuclear Physics, Acad.Lavrentiev av., 11, Novosibirsk, 630090, Russia, Astrelin@inp.nsk.su
2. Novosibirsk State Techincal University, K.Marx av.20, Novosibirsk, 630090, Russia
3. Novosibirsk State University, Pirogova str. 2, Novosibirsk, 630090, Russia