Group Theoretical Methods in Physics: Proceedings of the XIIth International Colloquium Held at the International Centre for Theoretical Physics, Trieste, Italy, September 5–11, 1983
Denardo, G ; Ghirardi, G ; Weber, T Denardo, G. ; Ghirardi, G. ; Weber, T.
Berlin, Heidelberg: Springer Berlin Heidelberg 1984
Texto completo disponível