Liu, C. L. <br/><br/>
Elements of discrete mathematics / 
C.L. Liu. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  1985, 2000 
 - xiv, 433 p. :  ill. ;  23 cm. 
 - McGraw-Hill computer science series. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>007043476X 007038133X 
<br/><br/><label>LCCN: </label>84026183 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis.<br/>Algebra, Abstract.
<br/><br/><label>Dewey Class. No.: </label>511.1  / LIE