Johnsonbaugh, Richard. <br/><br/>
Discrete mathematics 

 - New York  Macmillan  1986 
 - 480p. 
<br/><br/><label>ISBN: </label> UKP 20.00 
<br/><br/><label>Source: </label> UKP 20.00 
<br/><br/><label>Dewey Class. No.: </label>511.3 JOH