%0 Journal Article %A D. N. Tulyakov %T Difference equations having bases with powerlike growth which are perturbed by a~spectral parameter %J Sbornik. Mathematics %D 2009 %P 753-781 %V 200 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2009_200_5_a6/ %G en %F SM_2009_200_5_a6