TY  - BOOK
AU  - RAMAPRASAD DAS
TI  - YUKTIVAIGANIKA PADHATI
U1  - 511.3/DAS/YUK 
PY  - 2009///
CY  - KOLKATA
PB  - KOLIKATA VISWABIDLAY
KW  - MATHEMATICS
KW  - PRINCIPLES OF MATHEMATICS
ER  -