%0 Journal Article %A V. A. Sloushch %T Approximate commutation of a~decaying potential and a~function of elliptic operator %J Algebra i analiz %D 2014 %P 215-227 %V 26 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2014_26_5_a7/ %G ru %F AA_2014_26_5_a7