Bagchi, Hari Das . <br/><br/>
Co-ordinate Geometry /  Textual Documents 
Hari Das Bagchi. 
 - 8th ed / 
 - Calcutta :  L. G. Brothers ,  1959. 
 - 232p ;  21 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematics T/G-Maathematics 
<br/><br/><label>Dewey Class. No.: </label>516.51  / B 516 Co