Lovasz, Laszlo <br/><br/>
Combinatorial problems and exercises 

 - 2 
 - Rhode Island  American Mathematical Society  1979 
 - 639p.   
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780821887080 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Combinatorial analysis