@article{1102867879, author = {Wells, John C.}, title = {Invariant manifolds on non-linear operators.}, journal = {Pacific J. Math.}, volume = {67}, number = {2}, year = {1976}, pages = { 285-293}, language = {en}, url = {http://dml.mathdoc.fr/item/1102867879} }
Wells, John C. Invariant manifolds on non-linear operators.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 285-293. http://gdmltest.u-ga.fr/item/1102867879/