@article{02213867, title = {Derivatives of circle rotations, and similarity of orbits.}, journal = {Zapiski Nauchnykh Seminarov POMI}, volume = {314}, year = {2004}, pages = {272-284}, zbl = {1082.37040}, language = {en}, url = {http://dml.mathdoc.fr/item/02213867} }
Shutov, A.V. Derivatives of circle rotations, and similarity of orbits.. Zapiski Nauchnykh Seminarov POMI, Tome 314 (2004) pp. 272-284. http://gdmltest.u-ga.fr/item/02213867/