Lipschutz, Seymour <br/><br/>
Discrete mathematics 

 - 3rd ed. 
 - Chennai  McGraw Hill Education  2017 
 - 15.27+I.4p. p. 
<br/><br/><label>ISBN: </label>9781259062537 
<br/><br/><label>Dewey Class. No.: </label>511.1 L668D