TY  - BOOK
AU  - Birkhoff Garret
AU  -  Rota Gian-Carlo
TI  - Ordinary diffrential equations
U1  - B331, K9;L8 
PY  - 1978///
CY  - New York    
PB  -  John Wiley       
N1  - Bibliography 336-338p
ER  -