@article{GDZPPN002214962,
title = {Hopf-bifurcation in systems with spherical symmetry, Part II: Connecting orbits.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {485},
year = {1997},
pages = {199-220},
zbl = {0879.58055},
url = {http://dml.mathdoc.fr/item/GDZPPN002214962}
}
Leis, Christian. Hopf-bifurcation in systems with spherical symmetry, Part II: Connecting orbits.. Journal für die reine und angewandte Mathematik, Tome 485 (1997) pp. 199-220. http://gdmltest.u-ga.fr/item/GDZPPN002214962/