@article{GDZPPN002084317,
title = {Gyration numbers for involutions of subshifts of finite type I.},
journal = {Forum mathematicum},
volume = {4},
year = {1992},
pages = {77-108},
zbl = {0751.58029},
url = {http://dml.mathdoc.fr/item/GDZPPN002084317}
}
Fiebig, Ulf-Rainer. Gyration numbers for involutions of subshifts of finite type I.. Forum mathematicum, Tome 4 (1992) pp. 77-108. http://gdmltest.u-ga.fr/item/GDZPPN002084317/