TY  - BOOK
AU  - Harris, William A, 
AU  - 
TI  - Symposium on ordinary differential equations
T2  - Lecture Notes in Mathematics, No.0312
U1  - R  LNM.0312 
PY  - 1973///
CY  - Springer-Verlag, Berlin
KW  - Lecture Notes in Mathematics
ER  -