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

 - 2nd 
 - Boston  KluwerAcademic Publishers  1991 
 - 399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy sets
<br/><br/><label>Dewey Class. No.: </label>511.322  / ZIE