Kaufmann, A. <br/><br/>
Introduction to fuzzy arithmetic :  theory and applications / 
Arnold Kaufmann, Madan M. Gupta. 
 - New York, N.Y. :  Van Nostrand Reinhold Co.,  c1985. 
 - xvii, 361 p. :  ill. ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0442230079 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy numbers.<br/>Fuzzy arithmetic.
<br/><br/><label>Universal Decimal Class. No.: </label>511.3  / KAU