Williamson S.G. <br/><br/>
The Tree oOf Paths Of A Graph 
Williamson S.G. 
 - Strasbourg  Strasbourg  1980 
 - 42 p. 
<br/><br/> Series de Mathematique Pures etAppliquees 
<br/><br/><label>Dewey Class. No.: </label>519.17