Institution: | (1) Faculty of Mathematics and Physics, Charles University, Prague, B ehová 7, 115 19 Praha 1, Czechoslovakia;(2) Joint Institute For Nuclear Research, Dubna, JINR LTF Dubna, Moskov. oblast, SSSR;(3) Physics Department, Samarkand University, USSR;(4) Institute of Nuclear Physics, Uz. SSR Academy of Sciences, USSR |