TY  - BOOK
AU  - Simmons, George F.
AU  - Krantz, steven G.
TI  - Differential equations: theory, tehnique and practice
T2  - walter rudin student series
SN  - 0070616094
U1  - 515.35 
PY  - 2007///
CY  - New Delhi
PB  - Tata McGraw - Hill Publishing company Ltd.
ER  -