%0 Journal Article %A I. S. Borisov %A E. I. Shefer %T The asymptotic behavior of the mean sojourn time for a random walk to be above a receding curvilinear boundary %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2017 %P 18-27 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2017_17_4_a1/ %G ru %F VNGU_2017_17_4_a1