Rich,Barnet. <br/><br/>
Elementary algebra :  theory and problems / 
Barnet Rich. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c1993. 
 - x, 389p. 
 - Algebra .
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>0070522626 
<br/><br/><label>LC Class. No.: </label>QA155  / .R53