Clapham, Christopher. <br/><br/>
The Concise Oxford dictionary of mathematics / 
Christopher Clapham, James Nicholson. 
 - 4th  ed. 
 - Oxford :  O. U. P.,  2009. 
 - vi, 510  p. 
<br/><br/><label>ISBN: </label>0199235940 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Dictionaries.