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@article{IM_1977__39_142463, author = {J. Guckenheimer}, title = {On the {Bifurcation} of {Maps} of the {Interval}}, journal = {Inventiones mathematicae}, pages = {165--178}, publisher = {mathdoc}, volume = {39}, year = {1977}, zbl = {0354.58013}, url = {http://geodesic.mathdoc.fr/item/IM_1977__39_142463/} }
J. Guckenheimer. On the Bifurcation of Maps of the Interval. Inventiones mathematicae, Tome 39 (1977), pp. 165-178. http://geodesic.mathdoc.fr/item/IM_1977__39_142463/