Bell, Robert J.T.. <br/><br/>
Coordinate Solid Geometry /  

 - 1st ed /  
 - London WC2 :   Macmillan & Co. Ltd.. 
 - p.175,xliii :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>B63:23  / K4;1