TY  - GEN
AU  - Akhtar, Ahsan
AU  - Ahsan, Sabha
TI  - Textbook of differential calculus:  
SN  - 8120324420
U1  - 515.35 
PY  - 2004///
CY  - New Delhi
PB  - Prentice-Hall of India Private Limited
KW  - Mathematics
ER  -