Kaufmann, Arnold <br/><br/>
Introduction to fuzzy arithemetic  theory and applications 

 - Boston  International Thomson Computer Press  1991 
 - xvii, 361p.   
 - Van Nostrand Reinold electrical/computer Sc.and Engg. series .
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1850328811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fuzzy arithmetic<br/>Fuzzy numbers