Lovasz, L.; Pelikan, J.; Vesztergombi, K. <br/><br/>
Discrete mathematics: elementary and beyond 

 - New Delhi  Springer India Ltd.,  2004 
 - IX+290 
<br/><br/><label>ISBN: </label>81-81280065-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics