UNESCO <br/><br/>
Combinators graphs and algebra 

 -  1976 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>70114 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Graph<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B44, L61