Liu, C L. <br/><br/>
Elements of discrete mathematics / 
By C L Liu. 
 - 2nd ed. 
 - New Delhi :  Tata McGraw Hill Publishing Company Ltd ,  2003. 
 - xiv,433p. ;  22 cm. 
<br/><br/><label>ISBN: </label>007043476X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sets and propositions
<br/><br/><label>Dewey Class. No.: </label>511.8   / LIUC