@article{01292782,
title = {Persistence of invariant manifolds for perturbations of semiflows with symmetry.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1999},
year = {1999},
zbl = {0916.58034},
language = {en},
url = {http://dml.mathdoc.fr/item/01292782}
}
Zeng, Chongchun. Persistence of invariant manifolds for perturbations of semiflows with symmetry.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1999 (1999) . http://gdmltest.u-ga.fr/item/01292782/