%0 Journal Article %A Rocha, Jorge %T Periodic points of a continuous map of the interval %J Portugaliae mathematica %D 1987 %P 361-370 %V 44 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1987__44_4_115596/ %G en %F PORMA_1987__44_4_115596