%0 Journal Article %A J. Guckenheimer %T On the Bifurcation of Maps of the Interval %J Inventiones mathematicae %D 1977 %P 165-178 %V 39 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1977__39_142463/ %F IM_1977__39_142463