Bak Thor A <br/><br/>
Vectors,tensors and groups 

 -  1976 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>23722 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B46, K61