%0 Journal Article %A A. F. Grishin %A I. V. Poedintseva %T Towards the Tauberian theorem of Keldysh %J Zapiski Nauchnykh Seminarov POMI %D 2004 %P 63-89 %V 315 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2004_315_a4/ %G ru %F ZNSL_2004_315_a4