%0 Journal Article %A M. U. Gafurov %T On the existence of moments of the number of jumps, and last exit time, of sample sums over a curvilinear boundary %J Doklady Akademii Nauk %D 1980 %P 11-13 %V 253 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_253_1_a0/ %G ru %F DAN_1980_253_1_a0