@article{GDZPPN002100398,
title = {Invariants for finitary isomorphisms with finite expected code lengths.},
journal = {Inventiones mathematicae},
volume = {75},
year = {1984},
pages = {33-40},
zbl = {0563.28009},
url = {http://dml.mathdoc.fr/item/GDZPPN002100398}
}
Schmidt, Klaus. Invariants for finitary isomorphisms with finite expected code lengths.. Inventiones mathematicae, Tome 75 (1984) pp. 33-40. http://gdmltest.u-ga.fr/item/GDZPPN002100398/