TY  - BOOK
AU  - Birkhoff, Garrett
AU  - Rota, Gian-Carlo
TI  - Ordinary differential equations
SN  - 0471860034
U1  - 515.352 
PY  - 1989///
CY  - New York
PB  - Wiley
KW  - Differential equations
N1  - Bibliography: p. 392-394
UR  - http://www.loc.gov/catdir/description/wiley037/88014231.html
UR  - http://www.loc.gov/catdir/toc/onix03/88014231.html
ER  -