TY  - BOOK
AU  - Lalitha,P.
AU  - Siva Rama Prasad,V.
AU  - M. Rangamma
TI  - B.Sc. first year , mathematics: differential calculus differential equations 
SN  - 9788181803559
U1  - 500 
PY  - 2016///
CY  - Hyderabad
PB  - Telgu Akademi
N1  - Includes references
ER  -