Lotus illustrated dictionary of mathematics 
edited by Yule Bricks 
 - 1st ed. 
 - New Delhi  lotus press  c2011 
 - 198p.:  ill; 
<br/><br/><label>ISBN: </label>9788189093471 
<br/><br/><label>LC Class. No.: </label>QA 5  / .B75 2011