Novak, Vilem. <br/><br/>
Fuzzy sets and their applications / 
Vilem Novak. 
 - Bristol :  Adam Hilger,  1986. 
 - 248 p. 
<br/><br/><label>ISBN: </label>0852745834 
<br/><br/><label>LCCN: </label>90044080     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set theory.<br/>Fuzzy sets.