TY  - DATA
AU  - Olga Krupkova
TI  - The Geometry of Ordinary Variational Equations
SN  - 9783540696575
PY  - 1997///
PB  - Springer Berlin Heidelberg
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0093438
ER  -