TY - JOUR AU - Steffen Roch TI - Algebras of approximation sequences: Fredholm theory in fractal algebras JO - Studia Mathematica PY - 2002 SP - 53 EP - 77 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm150-1-5/ DO - 10.4064/sm150-1-5 LA - en ID - 10_4064_sm150_1_5 ER -