%0 Journal Article %A V. A. Lebedev %T On the first passage time of diffusion processes for time-dependent boundaries %J Teoriâ veroâtnostej i ee primeneniâ %D 1971 %P 551-556 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1971_16_3_a13/ %G ru %F TVP_1971_16_3_a13