Berge,Claude <br/><br/>
Theory of graphs 

 - New York  Dover  2001 
 - viii, 247p.  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>486419754 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Euler's problem<br/>Graph -- (Theory)<br/>Transport networks