@article{GDZPPN00210038X,
title = {Natural coefficients and invariants for Markov-shifts.},
journal = {Inventiones mathematicae},
volume = {75},
year = {1984},
pages = {15-32},
zbl = {0563.28008},
url = {http://dml.mathdoc.fr/item/GDZPPN00210038X}
}
Schmidt, Klaus; Parry, William. Natural coefficients and invariants for Markov-shifts.. Inventiones mathematicae, Tome 75 (1984) pp. 15-32. http://gdmltest.u-ga.fr/item/GDZPPN00210038X/