%0 Journal Article %A Kh. Kh. Murtazin %A Z. Yu. Fazullin %T Non-nuclear perturbations of discrete operators and trace formulae %J Sbornik. Mathematics %D 2005 %P 1841-1874 %V 196 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2005_196_12_a4/ %G en %F SM_2005_196_12_a4