Arad Z. <br/><br/>
Products of Conjugacy Classes in Groups. 
Arad Z., Herzog M., editors 
 - Berlin  Springer-Verlag  1985 
 - 244 p. 
<br/><br/> MicroFiche. Lecture Notes in Mathematics, Vol.  1112 
<br/><br/><label>Dewey Class. No.: </label>MF