TY  - BOOK
AU  - Abraham, S; Jacob, N J
TI  - Subsidiary mathematics, Vol.1, Paper 2: Summation of series, matrices, trigonometry
U1  - ABR-S.1.2 
PY  - 1978///
CY  -  Kottayam
PB  - Vidyarthi Mithram Book Depot
KW  - Mathematics
ER  -