TY  - BOOK
AU  - Harris William A Ed.
ED  - Symp. on ordinary differential equations (1972 : Minnesata)
TI  - Proceeding on ordinary differential equations
T2  - Lecture notes in mathematics; 312
U1  - B331p1,N72, L3 
PY  - 1973///
CY  - Berlin
PB  - Springer-Verlag       
KW  - Ordinary differential equation
ER  -