00399nam a22000857a 4500008004100000080001000041100002200051245020900073264003100282220312s1984    de ||||| |||| 00| 0 eng d  a53:51  aDenardo, Gallieno  aGroup theoretical methods in physics : proceedings of the XIIth International colloquium held at the International centre for theoretical physics, Trieste, Italy, September 5-11, 1983 /cGallieno Denardo.  aBerlin :bSpringer,c1984.