TY  - BOOK
AU  - Askwith,E.H.
TI  - The analytical geometry of the conic sections 
U1  - 516.2 ASK  
PY  - 1927///.
CY  - London :  
PB  - Adam and Charles Black, 
KW  - Conic sections
KW  - Coordinates
KW  - Geometry analytic
ER  -