%0 Journal Article %A Steffen Roch %T Algebras of approximation sequences: Fredholm theory in fractal algebras %J Studia Mathematica %D 2002 %P 53-77 %V 150 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm150-1-5/ %R 10.4064/sm150-1-5 %G en %F 10_4064_sm150_1_5