Das, M.K. <br/><br/>
Discrete mathematical structures  for computer scientists and engineers 
M.K. Das 
 - Chennai  Narosa  2007 
 - xv, 538p. 
<br/><br/><label>Subjects--Index Terms: </label>Discrete mathematics 
<br/><br/><label>Universal Decimal Class. No.: </label>519.11  / DAS