22 Mar 2004 / Published in W. Marcinek Memorial Volume of Kharkov University Journal Vestnik KNU, ser. "Nuclei, particles and fields". - 2003. - V. 601. - N 2(22). - p. 60--66
22 Mar 2004 / Published in W. Marcinek Memorial Volume of Kharkov University Journal Vestnik KNU, ser. "Nuclei, particles and fields". - 2003. - V. 601. - N 2(22). - p. 75-80