TY  - BOOK
AU  - Lal Bansi
TI  - Three dimensional differential geomety
U1  - B63:3, K2;K9;13   TB 
PY  - 1969///
CY  - Delhi
PB  - Atma Ram & Sons      
KW  -  Three Dimensional
KW  - Differential geometry
N1  - Index 241-244p
ER  -