%0 Journal Article %A M. I. Gordin %T Homoclinic sums criterion for vanishing of spectral density %J Zapiski Nauchnykh Seminarov POMI %D 1996 %P 94-110 %V 228 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1996_228_a8/ %G ru %F ZNSL_1996_228_a8