TY - JOUR AU - Andrzej Tyc TI - Actions of Hopf algebras on pro-semisimple noetherian algebras and their invariants JO - Colloquium Mathematicum PY - 2001 SP - 39 EP - 55 VL - 88 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm88-1-5/ DO - 10.4064/cm88-1-5 LA - en ID - 10_4064_cm88_1_5 ER -