TY  - BOOK
AU  - Dev Sharma, B K  .
AU  - Nath,D  .
TI  - Text book of mathematics         Part-3 / 
SN  - 81  224  0831  1
U1  - 510 
PY  - 1990///
CY  - New Delhi : 
PB  - New Age International Ltd , 
ER  -