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@article{PORMA_1987__44_4_115596, author = {Rocha, Jorge}, title = {Periodic points of a continuous map of the interval}, journal = {Portugaliae mathematica}, pages = {361--370}, publisher = {mathdoc}, volume = {44}, number = {4}, year = {1987}, mrnumber = {0952786}, zbl = {0664.54025}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1987__44_4_115596/} }
Rocha, Jorge. Periodic points of a continuous map of the interval. Portugaliae mathematica, Tome 44 (1987) no. 4, pp. 361-370. http://geodesic.mathdoc.fr/item/PORMA_1987__44_4_115596/