@article{article1ad27a10,
title   = {A criterion for unitary similarity of upper triangular matrices in general position},
author = {Farenick, Douglas and Futorny, Vyacheslav and Gerasimovsky, V. I. and Sergeichuk, Vladimir V. and Shvai, Nadya},
year = {2011},
doi = {10.1016/j.laa.2011.03.021},
journal   = {Linear Algebra and its Applications}
}