Sharma, A K <br/><br/>
Textbook of conic section 

 - New Delhi  Discovery  2005 
 - 194p.  
 - DPH mathematical series .
<br/><br/><label>ISBN: </label>8183560008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analytical geometry<br/>Confocals<br/>Conic Section<br/>Conics and Contracts<br/>Mathematics<br/>Polar equation -- Conic