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@article{FORUM_1992__4_6_141664, author = {Ulf-Rainer Fiebig}, title = {Gyration numbers for involutions of subshifts of finite type {I.}}, journal = {Forum mathematicum}, pages = {77--108}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1992}, zbl = {0751.58029}, url = {http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141664/} }
Ulf-Rainer Fiebig. Gyration numbers for involutions of subshifts of finite type I.. Forum mathematicum, Tome 4 (1992) no. 6, pp. 77-108. http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141664/