Sperling, Abeaham. <br/><br/>
Mathematics Made Simple /  

 - 1st ed /  
 - London W.C.2 :   W.H. Allen & Compnay. 
 - p.273,xi :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B  / K7