TY  - DATA
AU  - David Chillingworth
TI  - Proceedings of the Symposium on Differential Equations and Dynamical Systems
T2  - Lecture Notes in Mathematics
SN  - 9783540366621
PY  - 1971///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0070117
ER  -