TY - JOUR AU - Piotr Dowbor AU - Adam Hajduk TI - Two classes of almost Galois coverings for algebras JO - Colloquium Mathematicum PY - 2012 SP - 253 EP - 298 VL - 127 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm127-2-8/ DO - 10.4064/cm127-2-8 LA - en ID - 10_4064_cm127_2_8 ER -