@article{702285,
title = {The role of center manifolds in ordinary differential equations},
booktitle = {Equadiff 5},
series = {GDML\_Books},
publisher = {BSB B.G. Teubner Verlagsgesellschaft},
address = {Leipzig},
year = {1982},
pages = {179-189},
zbl = {0517.34038},
url = {http://dml.mathdoc.fr/item/702285}
}
Knobloch, H. W.; Aulbach, B. The role of center manifolds in ordinary differential equations, dans Equadiff 5, GDML_Books, (1982), pp. 179-189. http://gdmltest.u-ga.fr/item/702285/