Group theoretical methods in physics :  proceedings of the xvi International Colloquium, held at Varna, Bulgaria,June 15-20,1987 / 
editors H.D. Doebner, J.D. Hennig, T.D. Palev 
 - Berlin :  Springer-Verlag,  1988 
 - 599 p. :  ill. ;  25 cm. 
 - Lecture notes in physics  313 .
<br/><br/><label>ISBN: </label>3540502459 
<br/><br/><label>Subjects--Personal Names: </label><br/>Mathematical physics--Congresses
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory--Congresses