Cohn P M <br/><br/>
Free rings and their relations 
Cohn P M 
 - 2 
 - London  Academic           1985 
 - xx,588p.  cm. 
 - London mathematical society monographs; 19 .
<br/><br/> Bibliography 557-580p. 
<br/><br/><label>Standard No.: </label>19966 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B27, L12;M5