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@article{MOMA_1976__82_177781, author = {Karl Sigmund}, title = {On the {Distribution} of {Periodic} {Points} for {{\ss}-Shifts.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {247--252}, publisher = {mathdoc}, volume = {82}, year = {1976}, zbl = {0333.58008}, url = {http://geodesic.mathdoc.fr/item/MOMA_1976__82_177781/} }
Karl Sigmund. On the Distribution of Periodic Points for ß-Shifts.. Monatshefte für Mathematik, Tome 82 (1976), pp. 247-252. http://geodesic.mathdoc.fr/item/MOMA_1976__82_177781/