TY  - BOOK
AU  - AKHTAR, AHSAN
AU  - AHSAN, SABIHA
TI  - TEXT BOOK OF DIFFERECNTIAL CALCUNUS
SN  - 8120324420
U1  - 515.33/AKH/AHS 
PY  - 2004///
CY  - NEW DELHI.
PB  - PRENTICE HALL OF INDIA PVT. LTD., NEW DELHI.
ER  -