TY  - BOOK
AU  - Casasayas Josefine
AU  - Llibre Jaume
TI  - Qualitative analysis of the anisotropic Kepler problem
U1  - 510 
PY  - 1984///
CY  - N Y
PB  - AMS
KW  - Kepler problem
KW  - Mathematics
ER  -