TY  - BOOK
AU  - Simmons, George F.,
AU  - Krantz,Steven G.
TI  - Differential equations: theory, technique, and practice 
SN  - 0071254374
U1  - 515.35  
PY  - 2009///
CY  - Boston
PB  - McGraw Hill.
KW  - Differential equations
KW  -  Boundary value problems
N1  - Includes Index
ER  -