@article{GDZPPN002084384, title = {Gyration numbers for involutions of subshifts of finite type II.}, journal = {Forum mathematicum}, volume = {4}, year = {1992}, pages = {187-216}, zbl = {0751.58030}, url = {http://dml.mathdoc.fr/item/GDZPPN002084384} }
Fiebig, Ulf-Rainer. Gyration numbers for involutions of subshifts of finite type II.. Forum mathematicum, Tome 4 (1992) pp. 187-216. http://gdmltest.u-ga.fr/item/GDZPPN002084384/