%0 Journal Article %A A. R. Khalmukhamedov %T Negative powers of a~singular Schr\"odinger operator and convergence of spectral decompositions %J Matematičeskie zametki %D 1996 %P 428-436 %V 59 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1996_59_3_a11/ %G ru %F MZM_1996_59_3_a11