Ore, Oystein, <br/><br/>
Theory of graphs / 
by Oyestein Ore. 
 - Providence :  American Mathematical Society,  1974 
 - x, 270 p. : 
<br/><br/><label>ISBN: </label>0821810383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory.
<br/><br/><label>Dewey Class. No.: </label>511.5  / Th