TY  - BOOK
AU  - Singh, Surendra P
TI  - Differential geometry (three dimensional ) 
SN  - 978 9966 8464 3 3
U1  - 516 36 SIN 
PY  - 2000///
CY  - Nairobi 
PB  -  NUP
KW  - VECTOR ALGEBRA
ER  -