Zimmermann H.-J. <br/><br/>
Fuzzy Set Theory and Its Applications 
/ by H.-J.Zimmermann 
 - 4th.ed 
 - Delhi  Springer  2006 
 - 514p. 
<br/><br/><label>ISBN: </label>9788181285195 
<br/><br/><label>Dewey Class. No.: </label>511.3223  / ZIM/F