Harper, David,  1943- <br/><br/>
A guide to computer algebra systems / 
David Harper, Chris Wooff, David Hodgkinson. 
 - Chichester :  John Wiley & Sons,  1991 
 - xii, 148 p. ;  23 cm. 
 - Wiley profesional computing. .
 - Wiley profesional computing. .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471929107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Data processing.