Nanda, S. <br/><br/>
Fuzzy mathematical concepts / 
S. Nanda, N. R. Das 
 - Oxford, U.K. :  Alpha Science International,  c2010 
 - 1 v. (various pagings) :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781842655801 1842655809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy sets