%0 Journal Article %A M. S. Sgibnev %T Exact asymptotic expansions for solutions of multi-dimensional %J Izvestiya. Mathematics %D 2006 %P 363-383 %V 70 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_2006_70_2_a5/ %G en %F IM2_2006_70_2_a5