TY  - BOOK
AU  - Vasishtha, A. R.
AU  - Gupta , R. K.  
AU  - Sukhendra singh
TI  - Text book on differential calculus-I
U1  - 515.33 
PY  - 1997///
CY  - Meerut
PB  - Krishna Prakashan Media
KW  - Calculations
KW  - Mathematics
ER  -