TY - JOUR AU - Mieczysław K. Mentzen TI - On groups of essential values of topological cylinder cocycles over minimal rotations JO - Colloquium Mathematicum PY - 2003 SP - 241 EP - 253 VL - 95 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm95-2-8/ DO - 10.4064/cm95-2-8 LA - en ID - 10_4064_cm95_2_8 ER -