Askwith, E. H. <br/><br/>
Analytical geometry of the conic sections 
E. H. Askwith 
 - 3rd ed. 
 - Calcutta  Radha publishing house  1986 
 - 448p.  21cm. 
<br/><br/> Index 
<br/><br/><label>ISBN: </label> 55 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516.3  / ASK