Zimmermann, H J <br/><br/>
Fuzzy set theory and its applications 

 - 2 rev. 
 - Chennai  Allied  1991 
 - xx, 399p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>8170235251 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy set theory