TY  - BOOK
AU  - Birkhoff, Garrett:Rota, Gian-Carlo
TI  - Ordinary differential equations
SN  - 9-812-53002-9
U1  - 515.352 BRI 
PY  - 2003///
CY  - NEW DELHI
PB  - JOHN WILEY & SONS
KW  - DIFFERENTIAL EQUATIONS
ER  -