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@article{IM_1984__76_143114, author = {Klaus Schmidt}, title = {Invariants for finitary isomorphisms with finite expected code lengths.}, journal = {Inventiones mathematicae}, pages = {33--40}, publisher = {mathdoc}, volume = {76}, year = {1984}, zbl = {0563.28009}, url = {http://geodesic.mathdoc.fr/item/IM_1984__76_143114/} }
Klaus Schmidt. Invariants for finitary isomorphisms with finite expected code lengths.. Inventiones mathematicae, Tome 76 (1984), pp. 33-40. http://geodesic.mathdoc.fr/item/IM_1984__76_143114/