%0 Journal Article %A V. G. Zhuravlev %T Two-colour rotations of the unit circle %J Izvestiya. Mathematics %D 2009 %P 79-120 %V 73 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2009_73_1_a5/ %G en %F IM2_2009_73_1_a5