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@article{NUMA_1987__51_133187, author = {Wolf-J\"urgen Beyn}, title = {On {Invariant} {Closed} {Curves} for {One-Step} {Methods.}}, journal = {Numerische Mathematik}, pages = {103--122}, publisher = {mathdoc}, volume = {51}, year = {1987}, zbl = {0617.65082}, url = {http://geodesic.mathdoc.fr/item/NUMA_1987__51_133187/} }
Wolf-Jürgen Beyn. On Invariant Closed Curves for One-Step Methods.. Numerische Mathematik, Tome 51 (1987), pp. 103-122. http://geodesic.mathdoc.fr/item/NUMA_1987__51_133187/