@article{700201,
title = {Invariant manifolds for flows},
booktitle = {Differential Equations and Their Applications},
series = {GDML\_Books},
publisher = {Slovensk\'e pedagogick\'e nakladate\v lstvo},
address = {Bratislava},
year = {1967},
pages = {89-92},
zbl = {0194.12401},
url = {http://dml.mathdoc.fr/item/700201}
}
Kurzweil, J. Invariant manifolds for flows, dans Differential Equations and Their Applications, GDML_Books, (1967), pp. 89-92. http://gdmltest.u-ga.fr/item/700201/