Mordeson, John N. <br/><br/>
Fuzzy group theory / 
Mordeson, John N. 
 - Berlin ; New York:  Springer,  2005. 
 - xiii,300p.;24cm 
 - Studies in fuzziness and soft computing ; v. 182 .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>3540250722 
<br/><br/><label>Dewey Class. No.: </label>511.322 MOR