Genring F.W. Ed. <br/><br/>
Mathematical review/American mathematical society 
Genring F.W. Ed. 
 - U.S.A.  American Mathematical society          1970 
 - 743p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Bm,73,N50, L0.40