Lam, TY. <br/><br/>
Exercises in Classical ring theory 

 - New York  Springer-Verlag  1994 
 - xvi,287p.  23 cm. 
 - Problem Books in mathematics .
<br/><br/><label>ISBN: </label>038794317X 
<br/><br/><label>Dewey Class. No.: </label>512.4,  / D, am