Hell, Pavol. <br/><br/>
Graphs and homomorphisms / 
Pavol Hell, Jarosliv Nesetril 
 - [S.l.] :  Oxford University Press, USA,  2004. 
 - 256 p. ;  24 cm. 
 - Oxford lecture series in mathematics and its applications. .
 - Oxford lecture series in mathematics and its applications. .
<br/><br/><label>ISBN: </label>0198528175 9780198528173 
<br/><br/><label>Dewey Class. No.: </label>511.5