Gardiner, A. <br/><br/>
Discovering mathematics  the art of investigation 
A. Gardiner. 
 - Oxford [Oxfordshire]  New York  Clarendon Press  Oxford University Press  c1987. 
 - xiv, 206 p.  ill.  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0198532652 (U.S. : pbk.)  11.50 0198532822 (U.S.)  23.00 
<br/><br/><label>LCCN: </label>86012759  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem Solving<br/>Mathematics--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>QA63  / .G37 1987 
<br/><br/><label>Dewey Class. No.: </label>510