Lovasz, Laszlo Au. <br/><br/>
Combinatorial problesms and exercises 

 - 2nd ed. 
 - New Delhi:  American Mathematical Society,  2012. 
 - 635p. 
<br/><br/><label>ISBN: </label>9780821887080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics