Barut Asim O Ed. <br/><br/>
Proceeding on De Sitter and confromal groups and theorr applications 
Barut Asim O Ed.; Brittin Wasley E Ed. 
 - Bonlder  Colorado Associated University Press        1971 
 - ix, 440p.  cm. 
 - Lectures in theoretical physics; 13 .
<br/><br/><label>Standard No.: </label>29062 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B38:6p1,N70, L1