%0 Journal Article %A E. A. Pechersky %T Some identities related to the exit of a~random walk out of a~segment and a~semi-interval %J Teoriâ veroâtnostej i ee primeneniâ %D 1974 %P 104-119 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TVP_1974_19_1_a7/ %G ru %F TVP_1974_19_1_a7