@article{GDZPPN002202506,
title = {An index for global Hopf bifurcation in parabolic systems.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {358},
year = {1985},
pages = {1-36},
zbl = {0554.35010},
url = {http://dml.mathdoc.fr/item/GDZPPN002202506}
}
Fiedler, Bernold. An index for global Hopf bifurcation in parabolic systems.. Journal für die reine und angewandte Mathematik, Tome 358 (1985) pp. 1-36. http://gdmltest.u-ga.fr/item/GDZPPN002202506/