Ratti, J. S. <br/><br/>
Collage algebra / 
Ratti, J. S. 
 - vi, 282 p. ; 26 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0023986409 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.
<br/><br/><label>Dewey Class. No.: </label>512.9