%0 Journal Article %A A. B. Antonevich %T On two methods of studying the invertibility of operators in $C^*$-algebras induced by dynamical systems %J Sbornik. Mathematics %D 1985 %P 1-20 %V 52 %N 1 %U http://geodesic.mathdoc.fr/item/SM_1985_52_1_a0/ %G en %F SM_1985_52_1_a0