Denardo, Gallieno <br/><br/>
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 / 
Gallieno Denardo. 
 - Berlin :  Springer,  1984. 
<br/><br/><label>Universal Decimal Class. No.: </label>53:51