Bollobas, Bela <br/><br/>
External graph theory 

 - London  Academic press  1978 
 - xx,488 p.  22 cm.  HB 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Mathematics<br/>Graph theory
<br/><br/><label>Dewey Class. No.: </label>511.5  / BOL