TY - JOUR AU - V. G. Zhuravlev TI - Two-colour rotations of the unit circle JO - Izvestiya. Mathematics PY - 2009 SP - 79 EP - 120 VL - 73 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2009_73_1_a5/ LA - en ID - IM2_2009_73_1_a5 ER -