%0 Journal Article %A A. A. Borovkov %T Limit theorems for the time and place of the first crossing of the %J Doklady Akademii Nauk %D 1997 %P 711-713 %V 353 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1997_353_6_a0/ %G ru %F DAN_1997_353_6_a0