TY - JOUR AU - J. Guckenheimer TI - On the Bifurcation of Maps of the Interval JO - Inventiones mathematicae PY - 1977 SP - 165 EP - 178 VL - 39 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1977__39_142463/ ID - IM_1977__39_142463 ER -