Affiliation: | (1) Nuclear Physics Institute, Czechosl. Acad. Sci., CS 250 68 e, Czechoslovakia;(2) Laboratory of Theoretical Physics, JINR Dubna, SU 101000 Moscow, USSR;(3) Nuclear Physics Department, Kazakh State University, Alma Ata, USSR;(4) Nucl. Phys. Dept., Charles University, Prague, Czechoslovakia;(5) Nuclear Physics Institute, Czechosl. Acad. Sci., CS 250 68 e, Czechoslovakia |