"Liu, C.L" <br/><br/>
Elements of Discrete mat 

 - Second 
 - New Delhi  T.M.H  1985 
 - "xiv, 433" 
<br/><br/><label>ISBN: </label>9.78E+12 
<br/><br/><label>Dewey Class. No.: </label>510  / LIU