Lovasz, Laszlo <br/><br/>
Combinatorial problems and exercises / 
Lovasz, Laszlo. 
 - 2nd ed 
 - Providence, Rhode Island:  American Mathematical Society,  2007. 
 - 639 p.; 24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0821887080 
<br/><br/><label>Dewey Class. No.: </label>511.6076 LOV