Paul Bell, Igor Potapov. Reachability problems in quaternion matrix and rotation semigroups. Inf. Comput., 206(11):1353-1361, 2008. [doi]
@article{BellP08:1,
title = {Reachability problems in quaternion matrix and rotation semigroups},
author = {Paul Bell and Igor Potapov},
year = {2008},
doi = {10.1016/j.ic.2008.06.004},
url = {http://dx.doi.org/10.1016/j.ic.2008.06.004},
researchr = {https://researchr.org/publication/BellP08%3A1},
cites = {0},
citedby = {0},
journal = {Inf. Comput.},
volume = {206},
number = {11},
pages = {1353-1361},
}