TY  - BOOK
AU  - Simmons, George F
AU  - Krantz, Steven G.
TI  - Differential equations: theory technique and practice
SN  - 139780070616092 
U1  - 515.35 
PY  - 1994///
CY  - New Delhi
PB  - Mcgraw Hill Book Company
KW  - Analysis
ER  -