TY  - BOOK
AU  - Simmons, George F
TI  - Differential equations with appliations and historical notes
T2  - International Series in Pure and Applied Mathematics
SN  - 9780071128070
PY  - 1991///
CY  - New York
PB  - McGraw-Hill
KW  - Differential equations
N1  - Paperback
ER  -