TY  - BOOK
AU  - Ahsan Akhtar
AU  - Sabiha Ahsan
TI  - Textbook of differential calculus
SN  - 8120324420 (pbk)
U1  - 515.330711 22
PY  - 2004///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Differential calculus
N1  - Includes index
ER  -