%0 Journal Article %A M. U. Gafurov %T On the first exit time of a multidimensional random walk from expanding sets %J Doklady Akademii Nauk %D 1980 %P 1042-1044 %V 254 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_254_5_a3/ %G ru %F DAN_1980_254_5_a3